Ivy Blackledge July 2, 2021 5:00am #delta #herd #immunity In the US and Other Countries the Concept of Herd Immunity is a Mistake. https://www.portugalresident.com/delta-transmission-prompts-experts-to-rethink-concept-of-herd-immunity/ Delta transmission prompts experts to rethink concept of herd immunity - Portugal Resident Delta transmission prompts experts to rethink concept of herd immunity . The last week has brought so many ‘new dramas’ to Portugal’s door
There are no comments yet.