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
So far in 2025, three people have died from measles, the first fatality being an unvaccinated child who died in Texas in February.
—
Cara Lynn Shultz, PEOPLE, 29 Dec. 2025
Earlier this month, the department declared influenza prevalent statewide, a designation that requires unvaccinated health care workers to wear masks in patient care settings.
—Khloe Quill, FOXNews.com, 28 Dec. 2025
Schools sent hundreds of unvaccinated students home for weeks at a time to quarantine after exposure to measles, and in several states, hospitalization numbers climbed.
—Tom Gavin, EverydayHealth.com, 24 Dec. 2025
Children in unvaccinated pockets of the country are now developing measles’ telltale rash.
—Katherine J. Wu, The Atlantic, 18 Dec. 2025
See All Example Sentences for unvaccinated
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Cara Lynn Shultz, PEOPLE, 29 Dec. 2025
Earlier this month, the department declared influenza prevalent statewide, a designation that requires unvaccinated health care workers to wear masks in patient care settings.
—Khloe Quill, FOXNews.com, 28 Dec. 2025
Schools sent hundreds of unvaccinated students home for weeks at a time to quarantine after exposure to measles, and in several states, hospitalization numbers climbed.
—Tom Gavin, EverydayHealth.com, 24 Dec. 2025
Children in unvaccinated pockets of the country are now developing measles’ telltale rash.
—Katherine J. Wu, The Atlantic, 18 Dec. 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 5 Jan. 2026.
Copy CitationMedical Definition
unvaccinated
adjective
un·vac·ci·nat·ed
-ˈvak-sə-ˌnāt-əd
: not vaccinated
unvaccinated children
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