Но, — это уже в США.
American tax dollars, through the National Institutes of Health , even paid for syphilis -infected prostitutes to sleep with prisoners, since Guatemalan prisons allowed such visits. When the prostitutes did not succeed in infecting the men, some prisoners had the bacteria poured onto scrapes made on their penises, faces or arms, and in some cases it was injected by spinal puncture.
If the subjects contracted the disease, they were given antibiotics. 
“However, whether everyone was then cured is not clear,” said Susan M. Reverby, the professor at Wellesley College who brought the experiments to light in a research paper  that prompted American health officials to investigate.