Briefing on the U.S. Public Health Service STD Inoculation Study of 1946-1948
http://www.state.gov/p/wha/rls/rm/2010/148546.htm
Press conference via telephone on the 1940s era U.S. sponsored public health study which resulted in the deliberate infection of vulnerable Guatemalan populations, including prisoners and mentally ill patients, with sexually transmitted diseases. From the State Department