Medical Dictionary


noun un·der·vac·ci·na·tion \-ˌvak-sə-ˈnā-shən\

Medical Definition of UNDERVACCINATION

:  a vaccination of significantly less than the proportion of a population that should be vaccinated


July 28, 2015
pachyderm Hear it
an elephant
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears