Herd

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Herd (hûrd)

Herd is a term used in medicine and epidemiology to refer to a large group of individuals, particularly in the context of herd immunity.

Etymology

The term "herd" originates from the Old English "heord," which refers to a group of animals. In the context of medicine and epidemiology, it has been adopted to refer to large groups of individuals, particularly in relation to the concept of herd immunity.

Pronunciation

The term is pronounced as "hûrd."

Related Terms

  • Herd Immunity: A form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, thereby providing a measure of protection for individuals who are not immune.
  • Epidemiology: The study and analysis of the distribution, patterns and determinants of health and disease conditions in defined populations.
  • Vaccination: The administration of a vaccine to help the immune system develop protection from a disease.
  • Infectious Disease: Diseases caused by organisms such as bacteria, viruses, fungi or parasites.

See Also

External links

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