回复16楼:
"现在疫苗对付delta也有效,住院的绝大部分是没打疫苗的,这个大数据很有说服力 "
你狗眼瞎的吗??
https://abc7news.com/coronavirus-outbreak-san-francisco-general-hospital-sf-covid-ucsf/10920805/
https://www.businessinsider.com/san-francisco-hospitals-233-staff-members-covid-19-delta-variant-2021-7
https://www.nytimes.com/2021/07/31/us/covid-san-francisco-hospital-delta.html