vaccination

English dictionary entry

Meanings

noun
  1. Inoculation with a vaccine, in order to protect from a particular disease or strain of disease.

Pronunciation

/ˌvæk.sɪˈneɪ.ʃən/ en-us-vaccination.ogg

Word forms

vaccination vaccinations

Etymology

From vaccinia, a cowpox infection. Ultimately from Latin vacca (“cow”). Coined by Edward Jenner (1749-1823) in 1798. Jenner infected people with weakened cowpox viruses (vaccinia), to immunise them against smallpox. It is now known that vaccinia and cow pox are separate conditions, but at the time of Jenner, they were considered the same condition.

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