4 Search Results for "soumya swaminathan"
WHO says no evidence healthy children, adolescents need Covid-19 boosters
19 Jan 2022
WHO warns against mixing and matching Covid vaccines
13 Jul 2021
Widespread use of Covid-19 vaccine not expected until mid-2021
5 Sep 2020
WHO hopes for hundreds of millions of vaccine doses this year, two billion next year
18 Jun 2020