The evolution of HIV: Inferences using phylogenetics

► Phylogenetics has revolutionized the study of disparate fields from genomics to ecology. ► Phylogenetics has revealed the origin of both HIV-1 and HIV-2. ► HIV it is a model to the study of infectious diseases. ► Phylogenetics has been applied to problems such as resistance and reservoirs. ► Phylogenetic methods have been also exploited to follow ongoing epidemics.