WHO: Covid vaccine boosters should start with most vulnerable - ETHealthworld.com
5:37pm PST - January 21st, 2022 health - The Times of IndiaAt a press briefing on Friday, the UN health agency said it was now recommending booster doses of the Pfizer-BioNTech vaccine, beginning in the highest-priority groups, about four to six months after receiving the first two doses, in line with guidance from d…