Nanjing Med Uhiv, Jiangsu Prov Lab Pathogen Biol, Dept Pathogen Biol & Immunol, Nanjing 210029, Jiangsu, Peoples R China;
Nanjing Med Univ, Affiliated Hosp 1, Dept Infect Dis, Nanjing, Peoples R China;
Affiliated Yijishan Hosp, Wannan Med Coll, Dept Infect Dis, Wuhu, Peoples R China;