1. Department of Communicable Diseases Control and Prevention, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
2. Department of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
3. Department of HIV/AIDS Control and Prevention, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
4. Department of Communicable Diseases Control and Prevention, Shenzhen Boan District Center for Disease Control and Prevention, Shenzhen 518001, China