0
Pfizer’s vaccine efficacy falls by 6pc every two months after the second dose though a third booster shot can restore protection up to 95pc, says a study by Pfizer.
Published in Dawn, The Business and Finance Weekly, October 4th, 2021
Get the latest news and updates from Dawn
Pfizer’s vaccine efficacy falls by 6pc every two months after the second dose though a third booster shot can restore protection up to 95pc, says a study by Pfizer.
Published in Dawn, The Business and Finance Weekly, October 4th, 2021
