CDC现在说打过疫苗且原来感染过的人在Delta爆发期间抵抗力较强

 

Natural immunity was six times stronger during the delta wave than vaccination, according to a new report from the U.S. Centers for Disease Control and Prevention. *****LtgpmFxTny

— FOX31 Denver KDVR (@KDVR) January 21, 2022

 

https://kdvr.com/news/coronavirus/covid-19-vaccine/cdc-report-natural-immunity-stronger-than-vaccines-alone-during-delta-wave/

 

CDC: Vaccinated Americans with a prior Covid infection fared the best during the Delta outbreak *****7z5wGeBkPW @ErinBanco

— Adriel Bettelheim (@abettel) January 19, 2022

 

 https://www.politico.com/news/2022/01/19/cdc-infection-delta-527384