File:Community Immunity.jpg

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Summary

Description
English: Title: Community Immunity

Description: When a critical portion of a community is immunized against a contagious disease, most members of the community are protected against that disease. This is known as "community (or 'herd') immunity." The principle of community immunity applies to control of a variety of contagious diseases, including influenza, measles, mumps, rotavirus, and pneumococcal disease.

The top box depicts a community in which no one is immunized and an outbreak occurs. In the middle box, some of the population is immunized but not enough to confer community immunity. In the bottom box, a critical portion of the population is immunized, protecting most community members. Categories: Research in NIH Labs and Clinics Type: Color, Illustration Source: National Institute of Allergy and Infectious Diseases (NIAID) Date Created: Unknown Date Added: 1/15/2013

Reuse Restrictions: None - This image is in the public domain and can be freely reused. Please credit the source and/or author listed above.
Date
Source Community Immunity ("Herd" Immunity)
Author National Institutes of Health (NIH)

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Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.

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11 November 2013

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Date/TimeThumbnailDimensionsUserComment
current16:47, 6 February 2017Thumbnail for version as of 16:47, 6 February 2017537 × 732 (262 KB)Czarless artefacting: https://web.archive.org/web/20150107232339im_/https://www.niaid.nih.gov/SiteCollectionImages/topics/communityImmunityGeneric.gif

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