While the Tuskegee experiment followed the natural progression of syphilis in those already infected, in Guatemala [US Public Health Service] doctors deliberate

While the Tuskegee experiment followed the natural progression of syphilis in those already infected, in Guatemala [US Public Health Service] doctors deliberately infected healthy people (having just defeated the Nazis). http://en.wikipedia.org/wiki/Guatemala_syphilis_experiment http://en.wikipedia.org/wiki/Guatemala_syphilis_experiment