The U.S. May Never Hit the Herd Immunity Threshold for Covid-19

AAM 03:05 Erin A. Mordecai, Mallory J. Harris and Marc Lipsitch, NYT > Top Stories

NYT > Top Stories Erin A. Mordecai, Mallory J. Harris and Marc LipsitchAmericans may not need to achieve that goal in order to escape the Covid-19 pandemic. May 28, 2021 at 11:00AM https://ift.tt/3oYaIIl