NEPRC is located on 130 acres of woodland in Southborough, Massachusetts, 25 miles west of Boston. The facility includes six major research buildings, 35 research laboratories, housing for more than 1,800 monkeys, and multiple levels of biocontainment. NEPRC is organized into seven research divisions, which focus on the broad areas of infectious disease and neuroscience. A professional staff of 45 Harvard Medical School faculty and postdoctoral fellows, and a support staff of over 150 conduct research in the Divisions of Behavioral Biology, Comparative Pathology, Immunology, Microbiology, Neurochemistry, Primate Resources, and Tumor Virology.