unvaccinated
adjective
un·vac·ci·nat·ed
ˌən-ˈvak-sə-ˌnā-təd 
: not having received a vaccine : not vaccinated
children unvaccinated for measles
Examples of unvaccinated in a Sentence
Recent Examples on the Web
The National Association of State Health Veterinarians says all unvaccinated dogs and cats exposed to a rabid animal need to be quarantined for four months and vaccinated one month before being released.
—
Dan Raby, CBS News, 6 May 2026
In places where measles vaccination rates are less than 95%, the threshold considered necessary for herd immunity, unvaccinated people — including infants too young to be vaccinated — are especially at risk.
—Los Angeles Times, 6 May 2026
Measles activity globally is also increasing, leading to higher potential for unvaccinated people to become infected while abroad.
—Angie Dimichele, Sun Sentinel, 1 May 2026
Most cases were among unvaccinated children under age 17, officials said.
—Mary Kekatos, ABC News, 1 May 2026
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Dan Raby, CBS News, 6 May 2026
In places where measles vaccination rates are less than 95%, the threshold considered necessary for herd immunity, unvaccinated people — including infants too young to be vaccinated — are especially at risk.
—Los Angeles Times, 6 May 2026
Measles activity globally is also increasing, leading to higher potential for unvaccinated people to become infected while abroad.
—Angie Dimichele, Sun Sentinel, 1 May 2026
Most cases were among unvaccinated children under age 17, officials said.
—Mary Kekatos, ABC News, 1 May 2026
See All Example Sentences for unvaccinated
Cite this Entry
“Unvaccinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unvaccinated. Accessed 16 May. 2026.
Copy CitationMedical Definition
unvaccinated
adjective
un·vac·ci·nat·ed
-ˈvak-sə-ˌnāt-əd
: not vaccinated
unvaccinated children
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