BNT 13b2 Pfizer vaccine protects against SARS-CoV-2 respiratory mucosal colonization even after prolonged exposure to positive family members

辉瑞BNT 13b2疫苗即使在长期接触SARS-CoV-2阳性家庭成员后，也能保护呼吸道黏膜免受SARS-CoV-2感染。