When HIV spread afar.
Holmes
Edward C
EC
Department of Biology, Center for Infectious Disease Dynamics, Pennsylvania State University, University Park, PA 16802, USA.
D006678:HIV / Q000145:classification / Q000302:isolation & purification / Q000502:physiology*; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission*; D006205:Haiti / Q000453:epidemiology; D006801:Humans; D010802:Phylogeny; D014481:United States / Q000453:epidemiology