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
Another visible consequence of vaccination misinformation and disinformation is that unvaccinated people face 140 times higher risk of contracting measles.
—
Kar-Hai Chu, The Conversation, 10 Apr. 2026
And just last month, Kansas City, Missouri, reported that an unvaccinated adult contracted the city’s first case of the illness since 2018.
—Sofi Zeman
april 6, Kansas City Star, 6 Apr. 2026
New cases in unvaccinated kids feed concern that Hib may have a resurgence.
—Eduardo Cuevas, USA Today, 4 Apr. 2026
The Directorate General of Health Services said unvaccinated children or those who have not completed the two-dose measles schedule face the greatest risk and that malnourished children are particularly prone to severe complications such as pneumonia and encephalitis.
—Reuters, NBC news, 2 Apr. 2026
See All Example Sentences for unvaccinated
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Kar-Hai Chu, The Conversation, 10 Apr. 2026
And just last month, Kansas City, Missouri, reported that an unvaccinated adult contracted the city’s first case of the illness since 2018.
—Sofi Zeman
april 6, Kansas City Star, 6 Apr. 2026
New cases in unvaccinated kids feed concern that Hib may have a resurgence.
—Eduardo Cuevas, USA Today, 4 Apr. 2026
The Directorate General of Health Services said unvaccinated children or those who have not completed the two-dose measles schedule face the greatest risk and that malnourished children are particularly prone to severe complications such as pneumonia and encephalitis.
—Reuters, NBC news, 2 Apr. 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 25 Apr. 2026.
Copy CitationMedical Definition
unvaccinated
adjective
un·vac·ci·nat·ed
-ˈvak-sə-ˌnāt-əd
: not vaccinated
unvaccinated children
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