The HIV Pathogenesis Laboratory under the direction of William A. O'Brien M.D. is currently conducting "cutting edge" research in the following areas"

Long-Term "Responders" and highly active antiretroviral treatment.  The new natural history of HIV diseases.

Virology of HIV in Mononulear Phagocytes.

Macrophages in AIDS Pathogenesis (T-cell Apoptosis, Cytokines, Viral Genes)

HIV Neuropathogenesis.