an·ti-vac·ci·na·tion | \ ¦an-ˌtī-ˌvak-sə-¦nā-shən , ¦an-tē- \

Definition of anti-vaccination 

: opposed to vaccination The anti-vaccination movement has gained steam nationwide in recent years, propelled in part by Internet sites that recount the side effects of vaccinations. —Matthew Franck, St. Louis Post-Dispatch, 1 Mar. 2004

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First Known Use of anti-vaccination

1849, in the meaning defined above

History and Etymology for anti-vaccination

anti- entry 1 + vaccination

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The first known use of anti-vaccination was in 1849

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occurring twice a year or every two years

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