Israel finds COVID-19 vaccine booster significantly lowers infection risk August 23, 2021August 22, 2021
Israel finds COVID-19 vaccine booster significantly lowers infection risk August 22, 2021August 22, 2021
Israel’s COVID-19 Infection Rate Is Rising Despite High Vaccine Uptake August 21, 2021August 21, 2021
2 Shots Plus Previous COVID Infection Gives Best Delta Protection: Data August 20, 2021August 20, 2021
UCSD Researchers Find ‘Gate’ That Allows COVID Infection – NBC 7 San Diego August 20, 2021August 20, 2021
Vaccines’ protection against virus infection is waning, C.D.C. studies suggest. August 18, 2021August 18, 2021
China Covid outbreak: Delta variant challenges zero infection strategy — and raises questions over its vaccine efficacy August 2, 2021
CDC document warns Delta variant appears to spread as easily as chicken pox and cause more severe infection July 30, 2021