CORONAVIRUS: Study finds that two doses of China's Sinovac vaccine, followed by a Pfizer booster, is protective against omicron. However a third Sinovac dose, as a booster, 'does not provide adequate levels of protective antibody'.

CORONAVIRUS: Study finds that two doses of China's Sinovac vaccine, followed by a Pfizer booster, is protective against omicron. However a third Sinovac dose, as a booster, 'does not provide adequate levels of protective antibody'.

CORONAVIRUS: Study finds that two doses of China's Sinovac vaccine, followed by a Pfizer booster, is protective against omicron. However a third Sinovac dose, as a booster, 'does not provide adequate levels of protective antibody'.
— The Spectator Index (@spectatorindex) 2021-12-23 18:38