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
Even in states with high MMR vaccine uptake, pockets of unvaccinated or under-vaccinated communities can lead to rapid spread.
—
Mary Kekatos, ABC News, 22 Nov. 2025
Mexico has also had thousands of measles cases this year, mostly among unvaccinated people.
—Kathryn H. Jacobsen, The Conversation, 10 Nov. 2025
In an unvaccinated population, each case can spawn between 12 and 18 new cases, says Amy Winter, an epidemiologist and biostatistician at the University of Georgia.
—Stephanie Pappas, Scientific American, 3 Nov. 2025
The outbreak saw 762 measles cases, 99 hospitalizations and two deaths, both of unvaccinated children.
—Kristen Taketa, San Diego Union-Tribune, 27 Oct. 2025
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Mary Kekatos, ABC News, 22 Nov. 2025
Mexico has also had thousands of measles cases this year, mostly among unvaccinated people.
—Kathryn H. Jacobsen, The Conversation, 10 Nov. 2025
In an unvaccinated population, each case can spawn between 12 and 18 new cases, says Amy Winter, an epidemiologist and biostatistician at the University of Georgia.
—Stephanie Pappas, Scientific American, 3 Nov. 2025
The outbreak saw 762 measles cases, 99 hospitalizations and two deaths, both of unvaccinated children.
—Kristen Taketa, San Diego Union-Tribune, 27 Oct. 2025
See All Example Sentences for unvaccinated
Cite this Entry
“Unvaccinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unvaccinated. Accessed 7 Dec. 2025.
Copy CitationMedical Definition
unvaccinated
adjective
un·vac·ci·nat·ed
-ˈvak-sə-ˌnāt-əd
: not vaccinated
unvaccinated children
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