What Hospital serves as a teaching hospital for Georgetown University School of Medicine,  MedStar Washington Hospital Center or Walter Reed Army Medical Center?
Walter Reed Army Medical Center The Walter Reed Army Medical Center (WRAMC) — known as Walter Reed General Hospital (WRGH) until 1951 — was the U.S. Army's flagship medical center from 1909 to 2011. Located on 113 acre in Washington, D.C., it served more than 150,000 active and retired personnel from all branches of the military. The center was named after Major Walter Reed (1851–1902), an army physician who led the team that confirmed that yellow fever is transmitted by mosquitoes rather than direct contact.
Wistar Institute The Wistar Institute is an international leader in biomedical science, with special expertise in oncology, immunology, infectious disease and vaccine research. Located in the University City section of Philadelphia, Wistar was founded in 1892 as America's first nonprofit institution solely focused on biomedical research and training, The Institute works to ensure that research advances from the laboratory to the clinic as quickly as possible.