說是曾經感染過。哈佛公共衛生學院的研究

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歲的老媽，三年來隻有女兒陽了兩天，其他人都沒陽過，敲敲木頭！ -凡人一個- ♀ (284 bytes) () 01/06/2023 postreply 20:20:31

• 是測是否感染過的抗體得出結論，許多人沒有測出陽但其實已經得過 -dudaan- ♂ (0 bytes) () 01/07/2023 postreply 05:46:30