US authorizes Pfizer booster for elderly and high-risk: statement

WASHINGTON, United States (AFP) — The United States on Wednesday authorized the use of boosters of Pfizer’s Covid-19 vaccine for people aged over 65, or adults at high-risk of severe disease as well as those in high-exposure jobs. The announcement means tens of millions of Americans are now eligible for a third shot once six months have passed since their second. “Today’s action demonstrates that science and the currently available data continue to guide the […]