[1] Infect Dis Res Inst, Seattle, WA 98104 USA
[2] La Jolla Inst Allergy & Immunol, La Jolla, CA USA
[3] NIAID, Viral Dis Lab, Bethesda, MD 20892 USA
[4] Univ Washington, Dept Med, Seattle, WA USA
[5] Univ Massachusetts, Sch Med, Dept Pathol, Worcester, MA 01605 USA
[6] Univ Massachusetts, Sch Med, Ctr Infect Dis & Vaccine Res, Worcester, MA USA
[7] Paul Ehrlich Inst, Dept Virol, Munich, Germany
[8] Tech Univ Munich, Inst Virol, Munich, Germany
[9] NCI, Anim Models & Retroviral Vaccines Sect, Bethesda, MD 20892 USA
[10] Scripps Res Inst, DNA Array Core Facil, La Jolla, CA 92037 USA
[11] Indiana Univ, Sch Med, Dept Microbiol & Immunol, Indianapolis, IN 46202 USA