Definition of herd immunity in English:

herd immunity

Syllabification: herd im·mu·ni·ty

noun

General immunity to a pathogen in a population based on the acquired immunity to it by a high proportion of members over time.
More example sentences
  • The goal of measles control is to raise population immunity above herd immunity threshold and eventually to interrupt indigenous virus transmission.
  • The goal is herd immunity, where the proportion of people susceptible to infection in a physically interacting population is so low that transmission of infection is unlikely.
  • As adolescents are the only group in which carriage rates have been studied, these data provide more robust evidence of herd immunity across the whole population.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day nous
Pronunciation: naʊs
noun
common sense; practical intelligence