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
As South Carolina seems to be getting a handle on its outbreak — the largest in the United States in three decades — measles in Utah is raging through unvaccinated children in several communities.
—
Erika Edwards, NBC news, 13 Mar. 2026
If exposed, an unvaccinated person has a 90% chance of being infected, according to the CDC.
—Andrew Jones, Charlotte Observer, 11 Mar. 2026
Health officials identified a paralytic polio case in 2022 in an unvaccinated adult in New York.
—Katia Hetter, CNN Money, 11 Mar. 2026
DeSantis, first lady Casey DeSantis and Ladapo have all been in favor of requiring physicians to see unvaccinated children.
—Romy Ellenbogen, Miami Herald, 9 Mar. 2026
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Erika Edwards, NBC news, 13 Mar. 2026
If exposed, an unvaccinated person has a 90% chance of being infected, according to the CDC.
—Andrew Jones, Charlotte Observer, 11 Mar. 2026
Health officials identified a paralytic polio case in 2022 in an unvaccinated adult in New York.
—Katia Hetter, CNN Money, 11 Mar. 2026
DeSantis, first lady Casey DeSantis and Ladapo have all been in favor of requiring physicians to see unvaccinated children.
—Romy Ellenbogen, Miami Herald, 9 Mar. 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 15 Mar. 2026.
Copy CitationMedical Definition
unvaccinated
adjective
un·vac·ci·nat·ed
-ˈvak-sə-ˌnāt-əd
: not vaccinated
unvaccinated children
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