... Therefore, a broad range of viruses circulating in a single donor may be potentially transmissible at any one time, consistent Page of 14 with the hypothesis that transmission of viral variants is a random ... gp120 day 63 SGA P2 gp120 day 63 SGA P2 gp120 day 63 SGA P2 gp120 day 63 SGA P2 gp120 day 63 SGA P2 gp120 day 63 SGA P2 gp120 day 63 SGA P2 gp120 day 63 SGA 10 P2 gp120 day 63 SGA 11 P2 gp120 day ... July 2011 Published: July 2011 References Kawashima Y, Pfafferott K, Frater J, Matthews P, Payne R, Addo M, Gatanaga H, Fujiwara M, Hachiya A, Koizumi H, et al: Adaptation of HIV-1 to human leukocyte...