12-week gap between Pfizer shots better for old people: study



Pfizer additionally weighed in on the time and stated its scientific trials final yr had been designed to judge the vaccine’s efficacy and security following a 21-day window between every dose. On Friday, the corporate stated it may solely touch upon its really useful vaccine routine, which is as much as 95% efficient in opposition to COVID-19.



Source link Nydailynews.com

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