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Pfizer/BioNTech vaccine still effective after 21 days without top-up dose, study reveals – Sports Grind Entertainment
Pfizer vaccine – CHRISTOF STACHE/AFP A single dose of the Pfizer coronavirus vaccine is “highly protective” after three weeks, according to a new study. Researchers…

Pfizer vaccine – CHRISTOF STACHE/AFP
A single dose of the Pfizer coronavirus vaccine is “highly protective” after three weeks, according to a new study.
Researchers at the University of East Anglia (UEA) said the vaccine developed by Pfizer and BioNTech was still effective after 21 days without a “top up” dose in the recommended time frame.
It comes after a study by the University of Oxford found its coronavirus vaccine with AstraZeneca offers protection of 76 per cent up to 12 weeks after a single…
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