113 Antiretroviral therapy during primary immunodeficiency virus infection can induce persistent suppression of virus load and protection from heterologous challenge in rhesus macaques : B. Rosenwirth1, P. ten Haaft1, W.M.J.M. Bogers1, I.G. Nieuwenhuis1, H. Niphuis1, E.-M. Kuhn1, N. Bischofberger2, J.L. Heeney1, and K. Überla3 1Biomedical Primate Research Center (BPRC), Rijswijk, The Netherlands; 2Gilead Sciences Inc., Foster City, California, U.S.A.; 3Institute of Virology, University of Leipzig, Leipzig, Germany