molecular characterization of human immunodeficiency virus type 1 (hiv-1) and hiv-2 in yaounde, cameroon: evidence of major drug resistance mutations in newly diagnosed patients infected with subtypes other than subtype b. | prior to current studies on the emergence of drug resistance with the introduction of antiretroviral therapy (art) in cameroon, we performed genotypic analysis on samples from drug-naïve, human immunodeficiency virus (hiv)-infected individuals in this country. of the 79 hiv type 1 (hiv-1) pol sequences analyzed from cameroonian samples, 3 (3.8%) were identified as hiv-1 group o, 1 (1.2%) was identified as an hiv-2 intergroup b/a recombinant, and the remaining 75 (95.0%) were identified as hiv-1 ... | 2008 | 17855574 |