| hiv type 1 subtype a epidemic in injecting drug user (idu) communities in iran. | hiv-1 c2-v3 subgenomic regions of the env gene from iranian seropositive injecting drug users (idus) living in mashhad have been analyzed to evaluate molecular and phylogenetic relationships with idus living in tehran and identify possible common founder virus isolates. the results show that the viral sequences of the iranian idus are strongly related and form a single cluster within the a subtype related to african ugandan/kenyan sub-saharan isolates. pairwise nucleotide alignment shows higher ... | 2007 | 18160015 |