[T]he largest vaccine contamination in medical history occurred from 1954 through early 1963, when millions of people around the world received polio vaccines that had been contaminated with a monkey virus. – Polio Vaccines and the Origin of AIDSB. F. ELSWOOD and R. B. STRICKERMedical Hypotheses, vol. 42, 1994, pp. 347-354 Also relevant: The Corruption [...]