HIV-2 Seroepidemiological Evidence in Hunan Province—China,2003–2020

The human immunodeficiency viruses-2(HIV-2)is endemic in West Africa and is a rarely imported infectious disease in China due to the small number of cases having had a history of living abroad(1–3).In 2007,through routine HIV surveillance,2 HIV-2 infected individuals were confirmed by serology and nucleic acid testing,becoming the first report of HIV-2 in China.Epidemiological case investigation showed that the two infected individuals had sexual contact.