Short communication: HIV type 1 tropism determination in a novel dried blood spot membrane and the use of a mixture of outer nested polymerase chain reaction primers.


Genotropism was determined in 608 Brazilian samples collected in dried blood spots using Polyethersulfone collection cards. Patients were infected by subtype B (88.8%), F (5.6%), C (3.3%), A (1.8%), and G (0.5%). All patients were exposed to three classes of antiretrovirals, and 59.8% of the samples harbored R5 viruses, 35% non-R5-tropic viruses, and 5.1… (More)
DOI: 10.1089/AID.2012.0261


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