herd immunity

herd immunity
the immunity that occurs when an entire group of animals or people become immune to a particular infection, as with universal vaccination.

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Universalium. 2010.

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  • Herd immunity — (or community immunity) describes a form of immunity that occurs when the vaccination of a significant portion of a population (or herd) provides a measure of protection for individuals who have not developed immunity.[1] Herd immunity theory… …   Wikipedia

  • herd immunity — hərd n a reduction in the probability of infection that is held to apply to susceptible members of a population in which a significant proportion of the individuals are immune because the chance of coming in contact with an infected individual is …   Medical dictionary

  • herd immunity — The resistance of a population to infection and spread of an infectious organism due to the immunity of a high percentage of the population …   Dictionary of microbiology

  • herd immunity — the immunity that occurs when an entire group of animals or people become immune to a particular infection, as with universal vaccination …   Useful english dictionary

  • immunity — noun 1 protection against disease ADJECTIVE ▪ strong ▪ acquired, natural ▪ impaired ▪ lifelong ▪ Infection usually confers lifelon …   Collocations dictionary

  • Immunity — The condition of being immune. Immunity can be innate (for example, humans are innately immune to canine distemper) or conferred by a previous infection or immunization. * * * 1. The status or quality of being immune (1). 2. Protection against… …   Medical dictionary

  • Contact immunity — Not to be confused with Herd immunity. Contact immunity is the property of some vaccines, where a vaccinated individual can confer immunity upon unimmunized individuals through contact with bodily fluids or excrement. In other words, if Mark has… …   Wikipedia

  • community immunity — herd i …   Medical dictionary

  • Andria "Dreamz" Herd — Survivor contestant name = Andria Dreamz Herd birthdate = birth date and age|1981|12|15 location = Wilmington, North Carolina season = finish = Runner Up (tied) tribe = Moto, Ravu, Bula BulaAndria Herd (born December 15, 1981 in Wilmington, North …   Wikipedia

  • Poliomyelitis eradication — The global eradication of poliomyelitis is a public health effort to eliminate all cases of poliomyelitis (polio) infection. The global effort, begun in 1988 and led by the World Health Organization, UNICEF and The Rotary Foundation, has reduced… …   Wikipedia

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