Doctors work on other cures at the Walter Reed Hospital, named after the pathologist who proved the mosquito spread yellow fever

CREDIT: Horydczak, Theodor, photographer. “International Nickel Co. at Walter Reed Hospital. Medical staff at work IX, Walter Reed Hospital,” 1920- 1950. Prints and Photographs Division, Library of Congress. Reproduction Number LC-H814-T-1248-026-B.