The efficacy of Pfizer/BioNTech coronvirus vaccine slips to 84 percent after six months, a new report revealed by medRxiv showed on Wednesday
WASHINGTON (Pakistan Point News / Sputnik - 28th July, 2021) The efficacy of Pfizer/BioNTech coronvirus vaccine slips to 84 percent after six months, a new report revealed by medRxiv showed on Wednesday.
"Efficacy peaked at 96.2 percent during the interval from 7 days to
