undervaccination
noun
un·der·vac·ci·na·tion
-ˌvak-sə-ˈnā-shən 
: a vaccination of significantly less than the proportion of a population that should be vaccinated
Cite this Entry
“Undervaccination.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/undervaccination. Accessed 4 May. 2025.
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