爱上海BZZ

EXPLAINER: How will we know we’ve reached herd immunity?

first_img EXPLAINER: How will we know we’ve reached herd immunity? Twitter FILE – In this Tuesday, Jan. 12, 2021 file photo, people line up for COVID-19 vaccinations in Beijing. Health officials around the world are racing to vaccinate enough people to stop the spread of the coronavirus — but what qualifies as “enough” is still an open question. Facebook TAGS  Pinterest WhatsApp Facebookcenter_img WhatsApp Twitter By Digital AIM Web Support – February 17, 2021 Previous articleNASA rover attempting most difficult Martian touchdown yetNext articleFulham draws 1-1 at Burnley, now 6 points from safety in EPL Digital AIM Web Support Local NewsUS News Pinterestlast_img read more