title: Rising prevalence of variant HIV-1 subtypes poses new diagnostic challenge.
authors: Assay Research and Development, Abbott Molecular, Des Plaines, IL, USA.
authors: John M
authors: JM
authors: Robinson
mesh_terms: D000349:Africa / Q000208:ethnology; D001208:Asia / Q000208:ethnology; D015658:HIV Infections / Q000453:epidemiology* / Q000208:ethnology; D015497:HIV-1 / Q000145:classification* / Q000187:drug effects; D006801:Humans; D014481:United States / Q000453:epidemiology / Q000208:ethnology