理論的前提。
可恨的是某些疫苗代理商混淆概念,最開始說~95%保護率。
隨著實際病例增多,改口說減少發病率。繼而發展到防重症、減死亡。
直到在歐洲麵對記者追問時,才承認:沒有防感染的教據。
CDC是這樣寫的
COVID-19 vaccines help protect against severe illness, hospitalization and death. COVID-19 vaccines also help protect against infection.
如果否認防感染,何來breakthrough infections