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Preferred term

herd immunity  

Definition

  • Herd immunity describes a state in which an infectious disease transmissible through human contact is unlikely to spread because a large proportion of the population is immune to the disease. This immunity can be conferred through natural immunity, previous exposure to the disease, or vaccination. [Source: Encyclopedia of Epidemiology; Herd Immunity]

Broader concept

Entry terms

  • community immunity
  • population immunity

Belongs to group

URI

https://concepts.sagepub.com/social-science/concept/herd_immunity

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