Immunologic Factor
smallpox vaccine
small·pox vac·cine [ smawl-poks vak-seen, vak-seen, -sin ]
Subclass of:
Viral Vaccines
Definitions related to smallpox vaccine:
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A live VACCINIA VIRUS vaccine of calf lymph or chick embryo origin, used for immunization against smallpox. It is now recommended only for laboratory workers exposed to smallpox virus. Certain countries continue to vaccinate those in the military service. Complications that result from smallpox vaccination include vaccinia, secondary bacterial infections, and encephalomyelitis. (Dorland, 28th ed)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Frequently a live vaccinia virus vaccine of calf lymph or chick embryo origin, used for immunization against smallpox.CRISP ThesaurusNational Institutes of Health, 2006
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In the United States, routine vaccination with the smallpox vaccine was stopped in 1972 because smallpox had been eliminated in the United States. The last known case in the world occurred in 1977, and routine vaccination was stopped worldwide in 1980. Because the vaccine�s protective effects wear off after about 10 years, most people...Merck & Co., Inc., 2020
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