@WCreekerE @RadioFreeTom That paper also includes a survey of other studies, showing similarly low protection against infection and symptomatic disease. (Protection against severe disease is higher.) https://t.co/tprM92Uo4T
@WCreekerE@RadioFreeTom该论文还包括对其他研究的调查,显示对感染和症状性疾病的保护程度同样较低。(对严重疾病的防护更高。)https://t.co/tprM92Uo4T