OPV AIDS hypothesis OPV AIDS hypothesis The oral polio vaccine (OPV) AIDS hypothesis posits that the AIDS pandemic originated from live polio vaccines prepared in chimpanzee tissue cultures and then administered to up to one million Africans between 1957 and 1960 in experimental mass vaccination campaigns. Data analyses in molecular biology and phylogenetic studies contradict the OPV AIDS hypothesis; consequently, scientific consensus regards the hypothesis as disproven. The journal "Nature" has described the hypothesis as "refuted". Two vaccines are used throughout the world to combat poliomyelitis. The first polio vaccine, developed by Jonas Salk, is an "inactivated poliovirus vaccine" (IPV), consisting of a
Salk School of Science Salk School of Science The Salk School of Science is a junior high school, located in Lower Manhattan, New York City. It was founded in 1995 as a unique collaboration between the New York University School of Medicine and the New York City Department of Education. The goal of the school is to encourage an enthusiasm for, and the development of abilities in, the sciences, particularly the medical and biological sciences. Science and math are specialties at the school, including special classes for it and after-school programs. A particular aim is to encourage city children to aim for better high