U.S. apologizes for syphilis experiment in Guatemala

The United States apologized on Friday for an experiment conducted in the 1940s in which U.S. government researchers deliberately infected Guatemalan prison inmates, women and mental patients with syphilis.

In the experiment, aimed at testing the then-new drug penicillin, inmates were infected by prostitutes and later treated with the antibiotic.

"The sexually transmitted disease inoculation study conducted from 1946-1948 in Guatemala was clearly unethical," Secretary of State Hillary Clinton and Health and Human Services Secretary Kathleen Sebelius said in a statement....