This photo, taken in December 1989, shows the Veterinary Medicine Division team from the U.S. Army Medical Research Institute of Infectious Diseases in the hot zone, non-human primate quarantine facility in Reston, Virginia where experts briefly feared an Ebola outbreak had begun on U.S. soil.
In the fall of 1989, dozens of macaques imported from the Philippines suddenly died at Hazelton Research Products' primate quarantine unit in Reston, Virginia and were later found to be infected with a strain of Ebola.