My friend is confused

Friend already got his booster shot due to his old age. 

This morning he is confused about a friend's daughter. She caught COVID19 twice after she is fully vaccinated. And her unvaccinated husband is fine. How could this happen?

所有跟帖： 

• People are different. My family never took flu shots and never v -周老大- ♂ (0 bytes) () 09/19/2021 postreply 13:15:54

• never visited doctors for flu. -周老大- ♂ (0 bytes) () 09/19/2021 postreply 18:41:32

• 你確定是在完成疫苗接種後兩次感染新冠？那這真是聞所未聞 -dudaan- ♂ (221 bytes) () 09/19/2021 postreply 13:46:14

• 熟人打了2針疫苗，一個多月前得了，家人沒有（都打過疫苗），他恢複了，沒去看病，症狀還是很明顯的 -hz82000- ♀ (0 bytes) () 09/19/2021 postreply 16:56:05

• 看來打過疫苗的得病毒後的傳染性很低。如果全都打過疫苗，病毒就失去傳染性了。 -Gingerflower- ♀ (0 bytes) () 09/19/2021 postreply 20:22:52