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Vaccine contamination with Simian vacuolating virus 40, known as SV40 occurred in the United States and other countries between 1955 and 1961. SV40 is a monkey virus that has the potential to cause cancer in animals and humans, although this is considered very unlikely and there have been no known human cases. [1]
The hypothesis that SV40 might cause cancer in humans was a particularly controversial area of research, fuelled by the historical contamination of some batches of polio vaccine with SV40 in the 1950s and 1960s. [4] "Persuasive evidence now indicates that SV40 is causing infections in humans today and represents an emerging pathogen."
The question of whether SV40 causes cancer in humans remains controversial, however, and the development of improved assays for detection of SV40 in human tissues will be needed to resolve the controversy. [39] Doses of oral polio vaccine are added to sugar cubes for use in a 1967 vaccination campaign in Bonn, West Germany
The polio vaccine has all but obliterated the illness that once killed thousands and paralyzed 15,000 people nationwide every year. ... is a distinctly contagious illness caused by a virus called ...
Vaccine Excipients Adenovirus vaccine: This list refers to the type 4 and type 7 adenovirus vaccine tablets licensed in the US: Acetone, alcohol, anhydrous lactose, castor oil, cellulose acetate phthalate, dextrose, D-fructose, D-mannose, FD&C Yellow #6 aluminium lake dye, fetal bovine serum, human serum albumin, magnesium stearate, micro crystalline cellulose, plasdone C, Polacrilin potassium ...
The polio vaccine available in the United States is recommended for children and three doses offer at least 99% protection against severe disease, including paralysis, according to the CDC.
“The polio vaccine has saved millions of lives and held out the promise of eradicating a terrible disease. Efforts to undermine public confidence in proven cures are not just uninformed – they ...
The Oral polio vaccine AIDS hypothesis (OPV AIDS) is a now-discredited hypothesis which argued the AIDS pandemic originated from live polio vaccines prepared in chimpanzee tissue cultures, accidentally contaminated with simian immunodeficiency virus and then administered to up to one million Africans between 1957 and 1960 in experimental mass vaccination campaigns.