Pfizer COVID-19 vaccine efficacy drops to 84% after 6 months, preprint study suggests
July 29 2021, 08:00
A new study involving the Pfizer-BioNTech COVID-19 vaccine suggests the jab’s efficacy drops to around 84% about six months after the second dose.
A new study involving the Pfizer-BioNTech COVID-19 vaccine suggests the jab’s efficacy drops to around 84% about six months after the second dose.
Source:
FOX News