The Pfizer vaccine was tested in clinical trials with two doses given at 3 to 4 week interval.
But during Vaccination of the General population, the UK has taken a pragmatic view and delayed the 2nd Vaccine dose by up to 12 weeks.
A recent study suggests that this delay in administering 2nd Vaccine dose might put cancer patients at risk.
1. Guardian. Delaying second Pfizer dose leaves cancer patients at risk, say researchers
Covid vaccination policy review urged after study finds 12-week gap leaves patients vulnerable.
Thu 11 Mar 2021 16.40 GMT
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