Antiviral agents reduce viral load and delay the detection of infected cells in vivo in the HIV-infected Hu-PBMC SCID mouse model: Michael A. Ussery1, Dennis D. Broud1, Owen L. Wood1, Steven C. Kunder1, Paul L. Black1, Peter J. Dailey2, Judith C. Wilber2, Limei Yang3, Michael Piatek, Jr.3, and Jeffery D. Lifson3. 1FDA, Rockville, MD 20857; 2Chiron Corp., Emeryville, CA 94668; and 3Genelabs Technologies, Inc, Redwood City, CA 94063