Tweet from EricTopol at August 18, 2021 at 09:26PM
New large UK study confirms attrition of @Pfizer vaccine effectiveness vs Delta infections over time https://t.co/K6YRyAQq4o “By roughly 4 1/2 months after the 2nd dose, Pfizer’s shot will probably be about on par with Astra’s at preventing infections with a high viral burden” https://t.co/x1Nl2BkWfn
— Eric Topol (@EricTopol)
Aug 19, 2021
from http://twitter.com/EricTopol