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unvaccinated

British  
/ ʌnˈvæksɪˌneɪtɪd /

adjective

  1. (of a person or animal) not having been inoculated with a vaccine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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An unvaccinated 40-year-old Pennsylvania woman died from complications associated with measles, according to the Jefferson County coroner.

From The Wall Street Journal ● Sep. 13, 2026

Nearly 200 children died last season from flu-related complications, and most cases involved unvaccinated children.

From Salon ● Sep. 12, 2026

Last year, two unvaccinated children in Texas died from a measles outbreak that infected over 1,000 people, primarily children.

From BBC ● Aug. 25, 2026

Researchers compared patients who received at least one dose of the recombinant shingles vaccine, known as RZV or Shingrix, with patients who remained unvaccinated.

From Science Daily ● Aug. 25, 2026

But a study in the early 1960s of seven thousand unvaccinated smallpox cases in southern India found that the disease killed 43 percent of its victims.

From "1491" by Charles C. Mann

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