1. Department of Infectious Disease, The Affiliated Fuyang Hospital of Bengbu Medical College, Fuyang People’s Hospital, Fuyang, 236000 Anhui, China
2. Department of Infectious Disease, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233400 Anhui, China
3. Department of Emergency Medicine, Fuyang People’s Hospital, Fuyang, 236000 Anhui, China