Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not previewed, commissioned or otherwise endorsed by any organisation the author is associated with. The authors views are not in way intended to be a substitute for professional advice.
If all the vaccines now in use continue to be safe and highly effective in real world population, then it is only a matter of months before the pandemic comes to an end and normal life returns in 2021 !
Vaccines work by tricking the body into thinking that there is a real infection and hence the body produces antibodies. So this study indirectly indicates the protection from vaccines will also last longer and yet another reason to be hopeful about the end of pandemic in 2021.
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not previewed, commissioned or otherwise endorsed by any organisation the author is associated with. The authors views are not in way intended to be a substitute for professional advice.
More good news on the vaccine front in the fight against the coronavirus.
Two new vaccines have reported positive results.
The NOVAVAX vaccine is first Vaccine to report efficacy against the new variants. It is 95.6% effective against the original strain of coronavirus.
NOVAVAX is 86% effective at protecting against the new UK variant, which is very reassuring. But the Vaccine is only, 60% effective against South African variant of the virus. The efficacy against Brazilian variant is unknown.
The Janssen vaccine, produced by the US giant Johnson & Johnson, is a single-dose vaccine and has proved 66% effective against Covid-19. The vaccine was just 57% effective in the South African part of the trial.
The reduction in efficacy of both vaccines against new variants is a bit worrying and indicates that if further new variants emerge in future, existing vaccines could be less effective and vaccines would need to be updated.
The Janssen vaccine uses a common cold virus and uses a approach similar to the Oxford Astra Zeneca Vaccine.
Novavax vaccine differs from existing vaccines and it uses a artificially produced COVID-19 spike protein, which is then assembled into nanoparticles to make them look like coronavirus.
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not previewed, commissioned or otherwise endorsed by any organisation the author is associated with. The authors views are not in way intended to be a substitute for professional advice.
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not previewed, commissioned or otherwise endorsed by any organisation the author is associated with. The authors views are not in way intended to be a substitute for professional advice.
You don’t need to be exposed to an infected person who is coughing, sneezing and spluttering to get the infection.
Merely talking to an infected person can make you catch the coronavirus infection particularly if you are very close to the person with infection and not wearing a mask in an indoor setting with poor ventilation.
Guardian. Talking can spread Covid as much as coughing, says research. Tiny aerosols of the virus emitted when speaking linger in air for longer than larger droplets from a cough. Nicola Davis Science correspondent @NicolaKSDavis Wed 20 Jan 2021 00.01 GMT
Journal Proceedings of the Royal Society A. Evolution of spray and aerosol from respiratory releases: theoretical estimates for insight on viral transmission. P. M. de Oliveira , L. C. C. Mesquita , S. Gkantonas , A. Giusti and E. Mastorakos. Published:20 January 2021. https://doi.org/10.1098/rspa.2020.0584
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
A significant minority of people have an unhealthy scepticism about all vaccines in general fuelled by misinformation on social media. Some people in western world, who haven’t seen the horrors that can be wrecked by infectious diseases, have an ill-informed view about all Vaccines.
Vaccines have played a significant role in protection against various deadly infections diseases in the past century. The infectious diseases of childhood have become less prevalent even in developing countries now. But there is a risk of Vaccine Hesitancy spreading to these third world developing countries.
The concerns of people with Vaccine Hesitancy particularly relating to COVID Vaccine is genuine. The COVID vaccines have been rapidly developed and there are no long term efficacy or toxicity data. Because it is a global emergency, countries are forced to begin COVID vaccination based on the available excellent short term efficacy and safety data. Only time can tell whether the Governments got it right over long term.
But there is no evidence to suggest secrecy or conspiracy surrounding development of various vaccines including COVID vaccines. For instance, two reports of severe allergies due to COVID vaccine was immediately brought to the attention of everyone by Regulatory authorities in UK.
It is now reported that Norway is investigating deaths after coronavirus vaccination in very frail elderly people. Any adverse report on vaccines will be investigated and made public.
It is very important to remember that life is full of risks. People make decisions every day based on benefits versus risks ( eg driving a car). People need to understand that the benefits from most vaccines against infections diseases significantly outweighs the risks of various vaccine side effects. While a handful have serious side effects, many millions do benefit from the all vaccines.
“Vaccines hesitancy” is also not helped Historic mistrust of government in sections of population which regrettably can make things difficult in terms of achieving good vaccine coverage at population level.
If you have concerns about vaccines –
“Do read information about Vaccines with an open mind and pay attention to high quality population level studies assessing risks versus benefits and ignore individual unsubstantiated stories”.
“Do speak to your doctor about your concerns with an open mind”.
“Do NOT always seek information that affirms your views and Worries. Do seek reliable information that challenges your views on vaccines before you make your choice”.
BMJ. The rush to create a covid-19 vaccine may do more harm than good. BMJ 2020; 370 doi: https://doi.org/10.1136/bmj.m3209 (Published 18 August 2020)Cite this as: BMJ 2020;370:m3209
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
The first problem is supply of Vaccines. There are limited initial supplies globally. It will take many months even for richer countries to get their full supply.
Secondly, Vaccines take many weeks to become very effective. In clinical trials, more than 90% effectiveness was noted for some Vaccines a few weeks after the second dose.
Millions in the UK are yet to receive the first dose. Lots of people would not get the second dose until 10-12 weeks after first dose. A UK minister predicts a September vaccination target for all adults.
So it will take time for the full Vaccine effect to kick in at both individual as well as society level.
Thirdly, there is a potential problem of “Vaccines hesitancy” in sections of the society. A significant minority of people have a unhealthy scepticism about Vaccines fuelled by misinformation on social media.
Fourthly, it has to be pointed out that “No Vaccine works perfectly”. A Vaccine does not offer 100% protection. The high efficacy rates noted in young healthy volunteers participating in various trials might not be observed in real world population, and efficacy rates might be lower in elderly people.
Finally, the most serious potential risk and hurdle would be loss of Vaccine efficacy if new variants of Coronavirus are not protected by existing Vaccines.
Keep the mask; a Vaccine won’t end the COVID-19 crisis right away !
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
Disclaimer: Please note- This blog is NOT medical advice. This blog is NOT a expert medical opinion on various topics. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
Yes and No. It depends on how important your hospital visit is.
Recent news reports say that a significant number of patients acquired COVID during their hospital stay. Hospital acquired infections are a serious concern.
Yes, avoid, if you are trying to visit a family member admitted for a routine or elective medical procedure and is doing well.
Yes, avoid, if you can have a satisfactory phone or video consultation with medical team.
No, you should NOT avoid if you have any serious illness like heart attacks, stroke or cancer.
Everything in medicine depends on an assessment of risks versus benefits. For many patients with serious illness, on the whole, the benefits of proper treatment are likely to outweigh the risks of serious problems from COVID and risks can be managed.
If in doubt, ask your doctors or nurse about it. Do not take any action without discussing your concerns with your medical team.
JAMA: Richterman A, Meyerowitz EA, Cevik M. Hospital-acquired SARS-CoV-2 infection: lessons for public health. JAMA2020;324:2155-6. doi:10.1001/jama.2020.21399. https://jamanetwork.com/journals/jama/fullarticle/2773128. pmid:33185657
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice
It might seem foolish to ask the question “Anything good from this COVID-19 pandemic?” when so many people across the world has been so badly affected by the coronavirus pandemic.
There is some truth in the proverb that “every dark cloud has a silver lining” and no matter how bad the current pandemic is now, human spirit and endeavour would get something positive out of it.
One possible good thing that has come out of the pandemic is the “mRNA technology”.
The successful use of RNA technology for Coronavirus Vaccines would hopefully enable the versatile RNA technology to be further developed and successfully used a cancer treatment in near future.
Further clinical trials in cancer patients would be done to provide proof of their potential.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
The study involved healthcare workers from hospitals across the UK. The study recruited mainly Young and Middle age people ; it is not known whether the study findings would apply to older age people who are the most vulnerable.
The protection is not 100%. The protective effect was noted for only 83% . So there is still a chance someone who has recovered from the 1st infection might still get a 2nd infection.
The other big concern is “the risk of reinfection from the new Covid variants spotted in the UK, South Africa and Brazil”.
The study continues and more information would be available later this year ”
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
You might have read information about the COVID vaccines on various news outlets and social media messages.
If you want complete summary information about vaccines approved by the regulatory authorities, click on the links below.
Two types of information leaflets accompany all licensed medicines. – One is meant for health professionals and has lot of clinical information. (called SPC) – The other is meant for patients and public and provides a summary of facts using lay terms.(called PIL).
The leaflets provide information about all common side effects observed in the trials.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
People who have recovered from a COVID-19 infection are expected to have some protection against another repeat infection by the COVID-19 Coronavirus.
The protection comes from patients own antibodies present in their blood.
Previously, there was a concern that this protection might not last very long and that the levels of protective antibody may drop off quickly and this in turn can lead to repeat infections.
This news indirectly might also be good news for COVID-19 vaccines .
Vaccines work by tricking the body into thinking that there is a virus infection and the body then produces the protective antibodies and cells.
Based on this study, one can logically hope that the protection by vaccines can be long lasting as well. Of course, nothing is certain and further vaccine data is awaited to confirm this.
References: (1) Lumley SF, O’Donnell D, Stoesser NE, et al., Oxford University Hospitals Staff Testing Group. Antibody status and incidence of SARS-CoV-2 infection in health care workers. N Engl J Med2020. doi:10.1056/NEJMoa2034545. pmid:33369366
(2) BMJ news: Covid-19: Antibodies protect against reinfection for at least six months, study finds. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4961 (Published 30 December 2020) Cite this as: BMJ 2020;371:m4961
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Now the regulatory authorities have approved a third vaccine. The third vaccine from Moderna along with two other vaccines should help to bring the pandemic to an end.
The Moderna vaccine is a new technology like the Pfizer Vaccine. (based on mRNA technology).
Like the two vaccines, the short term data for Moderna vaccine is very encouraging.
Over long term, one hopes that the protective effect of all the three vaccines is long lasting and that they remain effective against any new variants of coronavirus that might emerge in the coming months.
Overall, there is certainly ‘light at end of the tunnel’ and the world can emerge out of this horrific pandemic in a short period.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
Possibly yes, if food is not properly handled during preparation, packaging and delivery.
It is likely the risks from properly prepared food and food packaging itself are minimal. There is more risk from interaction with the delivery person.
If you are shielding or a very old person, there is a chance the food delivery person might pass on the infection to you. Stay at safe distance, use gloves and masks, and advice the delivery to be left at door for collection. Wipe Clean outside packaging and transfer contents to your own containers.
But for young adults the risk is likely to be very small.
Most importantly, it has to pointed out that everything in life has some risks. If you are not buying a takeaway, you might have to go shops or supermarkets to buy food for cooking and eating. There is a risk of catching cornovirus from other people while shopping !
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
More good news in fight against COVID-19 pandemic !
Steroids were previously proven to be effective against severe Coronavirus (COVID-19) infection. The steroids are believed to work by dampening the inflammation caused by coronavirus.
The two drugs “tocilizumab and sarilumab” may become available for treatment of severe COVID-19 shortly.
All these additional drug treatments are needed ONLY for severe Coronavirus (COVID-19) infection. Mild COVID-19 infections do NOT need these drug treatments.
BMJ. Dexamethasone in management of covid -19. BMJ 2020; 370 doi: https://doi.org/10.1136/bmj.m2648 (Published 03 July 2020) Cite this as: BMJ 2020;370:m2648
BMJ. Rapid Recommendations. A living WHO guideline on drugs for covid-19. BMJ 2020; 370 doi: https://doi.org/10.1136/bmj.m3379 (Published 04 September 2020). Cite this as: BMJ 2020;370:m3379
BMJ. Covid-19: Arthritis drugs improve survival in intensive care patients, shows study BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.n61 (Published 08 January 2021) Cite this as: BMJ 2021;372:n61
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine. List of authors. Fernando P. Polack, M.D., Stephen J. Thomas, M.D., Nicholas Kitchin, M.D., Judith Absalon, M.D., et al., for the C4591001 Clinical Trial Group* December 31, 2020 N Engl J Med 2020; 383:2603-2615 DOI: 10.1056/NEJMoa2034577
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
The UK has made a pragmatic decision based on limited available evidence to delay the second dose so that more people can get the vaccine.
While there is some evidence for the Oxford vaccine, there is scant public evidence in support of delaying the Pfizer vaccine.
A BMJ news article provides an excellent summary of the current evidence.
Only time will whether there are any major risks to this approach.
Reference: Covid-19 vaccination: What’s the evidence for extending the dosing interval? BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.n18 (Published 06 January 2021). Cite this as: BMJ 2021;372:n18
Covid-19: Order to reschedule and delay second vaccine dose is “totally unfair,” says BMA BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4978 (Published 31 December 2020) Cite this as: BMJ 2020;371:m4978
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
It is quite difficult to give a single reason why some people believe COVID-19 is a hoax.
Since the coronavirus pandemic started, there has been so much anxiety, stress and severe disruption to the everyday life.
Most people like certainty with everyday life. Most people do not wake up and think that there is very very tiny chance I might die today (even though that’s true).
Thinking about bad things all the time can make you feel very stressed and exhausted . In a way, it is healthy NOT to focus on all the bad things that can happen everyday.
So some people mentally cope by believing the COVID-19 is fake news. Believing COVID-19 is a hoax helps some people to get on with their lives without being very fearful and worried everyday. It is a coping mechanism.
It is true that only about 1% of people with COVID-19 die due to the disease. But if ten million people get infected in a country that means an extra 100,000 deaths. If the whole population of UK were to get the infection, theoretically it could mean at least an extra 500,000 deaths.
Comparative evaluation of clinical manifestations and risk of death in patients admitted to hospital with covid-19 and seasonal influenza: cohort study. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4677 (Published 15 December 2020) Cite this as: BMJ 2020;371:m4677
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and the authors views are not in way intended to be a substitute for professional advice.
The whole world is placing their bets on vaccines to defeat the Coronavirus and emerge out of this dreadful pandemic.
Studies are ongoing about the effectiveness of vaccines against this new variant coronavirus. There is a risk that changes seen in the variant virus (mutations) might make it evade the vaccine shield.
So far, there has been no conclusive evidence that the variant virus will definitely escape the vaccines. Even if they do, the good news is that current vaccines can be adapted to deal with the changes in the virus.
(5). Covid-19: New coronavirus variant is identified in UK. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4857 (Published 16 December 2020) Cite this as: BMJ 2020;371:m4857
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
NO, it is not mandatory. The Government is NOT making it compulsory for everyone to have the vaccination. You have to give voluntary consent for Vaccination.
In fact, there is a huge queue of people waiting to have the vaccine. The NHS capacity is limited at present and the NHS is trying the best to give vaccination to those people who are very keen to have it.
So, if you don’t want to have it, no one will force you to have it.
Once the waiting list for vaccination is cleared in early 2021, there might be some changes . If clinical trials show that vaccinated people do not carry virus and pass it to others, then the Government might change its guidelines.
For instance, health professionals working with sick and vulnerable people might be asked to have the vaccine so that they don’t pass the virus to vulnerable people under their care.
But it’s very unlikely vaccination would be made mandatory for General Public.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please DO consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and may change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
The guidelines indicate that anticipated benefits of vaccine are greater than unknown risks from the Coronavirus vaccines.
The Vaccine trials deliberately included lot of healthy people. Very few people with cancer, particularly cancer patients on active treatment, were included in the COVID-19 trials. So there is not much direct evidence regarding efficacy and safety of Vaccines in cancer patients. But indirect evidence significantly favours Coronavirus vaccination in cancer patients.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you. The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Long term, there are some uncertainties. For instance, there is a possibility of loss of efficacy if vaccine effect is not long lasting. But there is no evidence to suggest at present this would happen. As regards long term side effects, once more data is collected and more patients are followed up after vaccination, there will more mature data on side effects.
The available data suggests that very high groups who are a high risk of death from COVID , have good odds of benefitting from vaccine.
It may be that low risk groups such as people in 20s, who have less chance of dying from COVID, may opt for more long term data before having the vaccination.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
The new mutant is more dangerous because it is more easily transmissible from person to person. The new variant is now spreading very rapidly in London and South East of England.
Emergence of this new mutant (called variant VUI-202012/01 fall) is a certainly a worrying development in this pandemic.
The mutations has made the new strain 70 per cent more transmissible but scientists do not expect these mutations to reduce the effectiveness of vaccines.
Tests are being carried out to confirm that the existing vaccines would still have a high degree of protective affect.
It is an evolving area and we have to hope that the new variant doesn’t make things worse than they are now !
Covid-19: New coronavirus variant is identified in UK. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4857 (Published 16 December 2020) Cite this as: BMJ 2020;371:m4857
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
The superstitious might say “don’t jinx it by calling the end early”……..
So the answer is “may be”.
The good news from two Vaccine trials indicates that this might be “beginning of the end” for COVID-19.
Two recent press reports give rise to lot of optimism to the population that is getting weary with the lockdown. It is good to have a ray of hope among all the doom and gloom.
The covid-19 vaccine (mRNA-1273) from US biotech company Moderna was found to be 94.5% effective.
Another mRNA vaccine developed by Pfizer and BioNTech was reported to be 90% effective.
Now the caveats…. these are interim trial results and the trial results have not been subject to scrutiny by the wider scientific community as the full results are yet to be published.
Clinical Trials usually recruit motivated people without too many other medical problems. So one has to hope that these interim trial results can be replicated in the wider elderly population with lot of medical problems.
Let’s hope that all the vaccines are very safe and highly effective when used in the real world population.
References: (1). Covid-19: Vaccine candidate may be more than 90% effective, interim results indicate. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4347 (Published 09 November 2020). Cite this as: BMJ 2020;371:m4347.
(2). Covid-19: Moderna vaccine is nearly 95% effective, trial involving high risk and elderly people shows. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4471 (Published 17 November 2020). Cite this as: BMJ 2020;371:m4471
(3). Covid-19: Oxford vaccine is up to 90% effective, interim analysis indicates BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4564 (Published 23 November 2020) Cite this as: BMJ 2020;371:m4564
Covid-19: What do we know about the late stage vaccine candidates?. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4576 (Published 24 November 2020) Cite this as: BMJ 2020;371:m4576
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you. The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
After someone has recovered from a Coronavirus infection, the body remembers how to fight the virus in future. This is called immunity and it is not known how long this immunity will last.
If the immunity is not long lasting, people can get coronavirus infection again during the second and even third wave.
The body’s immunity is made up of two types of cells: B cells and T cells. T cells and B cells are central to the human immune system.
B cells produce antibodies and previously in various studies , they were found to decline rapidly give rise to fear that people would get Coronavirus infection again and again.
Now a study has reported that T cell immunity can last more than 6 months in patients who have recovered from an infection.
This news is also good from a vaccine point of view. It gives us hope that sooner or later an effective vaccine would become available.
BMJ News. Covid-19: T cell response lasts for at least six months after infection, study shows BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4257 (Published 02 November 2020) Cite this as: BMJ 2020;371:m4257
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
“Patient Facing” healthcare workers do admirably put them at harms way during this Coronavirus pandemic .
So health workers are at increased risk of getting admitted to hospital due to COVID-19.
But a recent Paper in BMJ says that families of healthcare workers are also at increased risk of hospital admission. In very few other lines of work, does the occupational hazard affect the families of workers as well.
The authors report “ …. patient facing healthcare workers and members of their households were, respectively, threefold and twofold more likely to be admitted to hospital. Healthcare workers and their households accounted for one in six of all admissions with covid-19 in the working age population (18-65 years).”
The paper says “Among admitted healthcare workers, one in eight were admitted into critical care and six (2.5%) died; in admitted household members, one in five were admitted to critical care and 18 (12.9%) died.”
Routine testing of healthcare workers and early testing of families as well as better access to effective PPE is urgently needed.
References : 1. Risk of hospital admission with coronavirus disease 2019 in healthcare workers and their households: nationwide linkage cohort study. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m3582 (Published 28 October 2020)Cite this as: BMJ 2020;371:m3582
2. Covid-19: risks to healthcare workers and their families. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m3944 (Published 28 October 2020)Cite this as: BMJ 2020;371:m3944
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Many Viral infections give some sort of immunity to the person infected. For example, if a child has chicken pox, then the child develops immunity to further chicken pox. This immunity can even be life long for many children.
But some viral infections don’t result in significant immunity to further infection. For example, Flu and Common Cold viruses infections do not result in effective long immunity. That’s why flu vaccines are given yearly to vulnerable people.
It was hoped that a Coronavirus infection could result in at least some sort of long immunity to further infections.
A recent report of man who developed Coronavirus/ COVID-19 for the second time is worrying. If this is a widespread phenomenon and not an isolated case, then it has significant implications for the current pandemic.
Herd immunity, whereby many people are immune to further Coronavirus infection either through previous infection or Vaccination, was suggested as the way of ending the current pandemic.
This report, if confirmed to be true across significant sections of population, would indicate a much more longer duration of COVID-19 pandemic.
6. To KK-W et al. COVID-19 re-infection by a phylogenetically distinct SARS-coronavirus-2 strain confirmed by whole genome sequencing.Clin Infect Dis. 2020; (published online Aug 25.)https://doi.org/10.1093/cid/ciaa1275View in Article
8. Prado-Vivar B et al.COVID-19 re-infection by a phylogenetically distinct SARS-CoV-2 variant, first confirmed event in South America.SSRN. 2020; (published online Sept 8.) (preprint)https://doi.org/10.2139/ssrn.3686174View in Article
9. Dearlove B et al. A SARS-CoV-2 vaccine candidate would likely match all currently circulating variants.Proc Natl Acad Sci USA. 2020; 117: 23652-23662View in Article
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Coronavirus was previously known to survive for about 3 days at room temperatures. (On certain surfaces made of plastic and stainless steel).
Now an Australian team has found that Coronavirus can survive upto 28 days in Cold conditions. The results need to be interpreted with great caution as it tested virus under unusual artificial conditions and hence might not be relevant for real life situations
On the other hand , if the study is right, then it might indicate that the Pandemic can get worse during cold Winter before it gets better in Spring and Summer.
What can we do? In addition to Social distancing measures and Mask wearing, Frequent hand washing would stop the Virus from Spreading.
Every Week , we are learning more about the Virus. Let’s hope it comes to an end soon.
3. Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1 April 16, 2020 N Engl J Med 2020; 382:1564-1567 DOI: 10.1056/NEJMc2004973
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
The UK government’s slogan for controlling COVID-19 pandemic is “ ‘Hands. Face. Space‘
The reason hands are emphasised is because the Virus can stay alive on Human skin for many hours. So touching others by hugging or hand shaking can spread the virus.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you. The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
3. Visualizing droplet dispersal for face shields and masks with exhalation valves. Physics of Fluids 32, 091701 (2020); https://doi.org/10.1063/5.0022968
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Elderly cancer patients on the whole did very badly but surprisingly cancer patients under age of 50 did far worse than their peers without cancer.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of drafting the blog and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
The National Health Service had recently embarked on a Risk assessment exercise of its staff to assess the Vulnerability of individual members to Coronavirus infection ( COVID-19).
The exercise is being done with good intentions. Given the unprecedented situation of the pandemic and lack of concrete data , the exercise seemed to have steered away from firm “one size fits all” type of recommendations.
Given the uncertainties with the currently available data on various forms of protection ( from simple surgical masks to shielding) , the exercise could have been a starting point for an nationwide intervention study .
An opportunity seems to have been missed and if there is a second wave, NHS might regret not learning from the first wave.
Last month, we had studies reporting that the immunity to Coronavirus fades quickly after recovering from an infection. The scientists have warned that re-infection is a risk.
Now, we have a case in Hong Kong where a patient seem to have been unlucky to get the infection again. It is a worrying report and suggests that coronavirus is going to be with us for a long time.
The only reassuring fact is that patient was free of symptoms during second infection. One has to hope that all re-infections are mild !
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Yes. Possible but chances are very small according to reports.
If someone sneezed or coughed near a parcel or food package and you touch it within a few hours, it is possible to get Coronavirus infection from parcels and packages.
But, in practice, most parcels and food packaging seem safe and no conclusive real world evidence has been published so far to indicate that packages spread infection widely.
In experimental conditions, Coronavirus has been shown to survive for upto 72 hours. The virus is “more stable on plastic and stainless steel than on copper and cardboard”.
In laboratory conditions “On copper, no viable SARS-CoV-2 virus was measured after 4 hours . On cardboard, no viable SARS-CoV-2 virus was measured after 24 hours”.
In the artificial conditions of the lab “The longest viability of viruses was on stainless steel and plastic; the estimated median half-life of SARS-CoV-2 virus was approximately 5.6 hours on stainless steel and 6.8 hours on plastic”.
Solution: If you are worried , and if possible, you can try leaving parcels for 24hrs before touching them with bare hands. Alternatively, try wearing disposable gloves to remove packaging.
If you are one of the unlucky ones to have already been infected with Coronavirus infection but recovered from it, can you become unlucky again and get another Coronavirus infection later this year ?
Unfortunately, the answer is a YES.
Some Viral infections can sometimes lead to life long immunity. For example, most people who had chicken pox as a child tend to have lifelong immunity and it would be uncommon to get chicken pox again. (except in some circumstances).
But infection with ‘Coronavirus causing COVID-19’ doesn’t seem led to long lasting immunity or resistance to a second Coronavirus infection.
A Newspaper report on a study by a team from King’s College London suggests that susceptibility to a second infection may occur as short as 3 months in some patients. This because the level of antibodies produced by the immune system after first infection start to fade away within a few months in some patients.
If confirmed, this is probably one of the most worrying news during this pandemic.
This study result could also affect Vaccine development and how frequently it may need to be administered.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
Possible but like every other observational study, take it with pinch of salt.
Further evidence from well conducted trials are needed before it can be recommended as a COVID treatment.
In mean time, it’s better to stick to natural sources of vitamin such as those mentioned in the newspaper article ( spinach, broccoli, green vegetables, blueberries, all types of fruit and vegetables).
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
3. BMJ India Correspondent. Covid-19: Doctors criticise Indian research agency for recommending hydroxychloroquine prophylaxis. BMJ2020;369:m2170. doi:10.1136/bmj.m2170 pmid:32471832.
4. BMJ news: Covid-19: Hydroxychloroquine does not benefit hospitalised patients, UK trial finds. BMJ 2020; 369 doi: https://doi.org/10.1136/bmj.m2263 (Published 08 June 2020)
5. BMJ news. Covid-19: Hydroxychloroquine was ineffective as postexposure prophylaxis, study finds. BMJ 2020; 369 doi: https://doi.org/10.1136/bmj.m2242 (Published 05 June 2020)
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Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
So stay safe and consider shielding if your cancer is not under control .
Furthermore, there is lot of interest in use of Chloroquine, an anti-malaria drug for treatment of COVID-19. The study reports that “Treatment with the drug combination hydroxychloroquine and azithromycin was also strongly associated with greater risk of death”. So best to avoid unproven treatments outside a trial setting.
Disclaimer: Please note- This blog is NOT medical advice. This blog is purely for information only and do check the the sources where cited. Please consult your own doctor to discuss concerns and options relevant to you.
The views expressed in this blog represent the author’s views held at the time of publication and is likely to change overtime, particularly when new evidence comes to light. The blog is not necessarily endorsed by any organisation the author is associated with and views are not substitute for professional advice.
