title: The Fourth China National Congress on Medical Virology.
authors.affiliation: Institute of Epidemiology and Microbiology, Chinese Academy of Preventive Medicine, Beijing.
authors.forename: F X
authors.initials: FX
authors.lastname: Qiu
authors.forename: S X
authors.initials: SX
authors.lastname: Duan
mesh_terms: D000818:Animals; D002681:China; D006678:HIV / Q000302:isolation & purification; D018063:Hantaan virus / Q000302:isolation & purification; D015368:Human T-lymphotropic virus 1 / Q000302:isolation & purification; D006801:Humans; D014773:Virology