说是曾经感染过。哈佛公共卫生学院的研究

An estimated 94% of people in the U.S. have been infected with the COVID-19 virus at least once, according to according to a new paper from researchers at Harvard’s School of Public Health.https://www.spokesman.com/stories/2022/nov/26/just-1-in-20-people-in-the-us-have-dodged-covid-in/

所有跟帖： 

• 我家五口人包括83岁的老妈，三年来只有女儿阳了两天，其他人都没阳过，敲敲木头！ -凡人一个- ♀ (284 bytes) () 01/06/2023 postreply 20:20:31

• 是测是否感染过的抗体得出结论，许多人没有测出阳但其实已经得过 -dudaan- ♂ (0 bytes) () 01/07/2023 postreply 05:46:30