aDepartment of Microbiology and Immunology, Medical University of South Carolina bRalph H. Johnson VA Medical Center, Charleston, SC, USA. Correspondence to Wei Jiang, MD, Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA. E-mail: [email protected], [email protected] Received 8 June, 2022 Accepted 23 November, 2022