RT @DrTomFrieden: Widespread mask-wearing should be promoted as a “new normal” in communities until the risk of Covid infection is extremel…
RT @DrTomFrieden: Widespread mask-wearing Should be promoted as a "new normal" in communities until the risk of infection is Covid extremel ...
materials science publisher. wanderer. astrophysicist. music lover. fashion freak. opinions are my own.
materials science publisher. wanderer. astrophysicist. music lover. fashion freak. opinions are my own.