File:Herd immunity.svg

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Description
English: 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.

 
not immunized, healthy
 
immunized, healthy
 
not immunized, sick
Based on an illustration by the National Institute of Allergy and Infectious Diseases (NIAID) originally uploaded as Community Immunity.jpg
Date
Source Own work
Author Tkarcher
Other versions
Herd immunity.svg|lang=bn (Bangla)
Herd immunity.svg|lang=ca (Catalan)
Herd immunity.svg|lang=de (German)
Herd immunity.svg|lang=en (English)
Herd immunity.svg|lang=fr (French)
Herd immunity.svg|lang=it (Italian)
Herd immunity.svg|lang=nl (Dutch)
Herd immunity.svg|lang=ru (Russian)
Herd immunity.svg|lang=lmo (Lombard)
SVG development
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The SVG code is valid.
 
This diagram was created with an unknown SVG tool.
 
 This diagram is translated using SVG switch elements: all translations are stored in the same file.

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

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Date/TimeThumbnailDimensionsUserComment
current18:20, 7 November 2022Thumbnail for version as of 18:20, 7 November 2022784 × 962 (448 KB)Sciking (talk | contribs)Text fixes
18:18, 7 November 2022Thumbnail for version as of 18:18, 7 November 2022784 × 962 (448 KB)Sciking (talk | contribs)My bad, "bugfix"
18:16, 7 November 2022Thumbnail for version as of 18:16, 7 November 2022784 × 962 (448 KB)Sciking (talk | contribs)Added Lombard translation
18:22, 11 August 2020Thumbnail for version as of 18:22, 11 August 2020784 × 962 (444 KB)Artem78 (talk | contribs)File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ru.
18:10, 11 August 2020Thumbnail for version as of 18:10, 11 August 2020784 × 962 (439 KB)Artem78 (talk | contribs)File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ru.
12:33, 29 May 2020Thumbnail for version as of 12:33, 29 May 2020784 × 962 (434 KB)Zaheen (talk | contribs)File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for bn.
16:38, 30 March 2020Thumbnail for version as of 16:38, 30 March 2020784 × 962 (436 KB)Gretarsson (talk | contribs)Sorry, I have to upload another version because the code of the last one was not valid according to W3C because of double ID occurrences (these fu**ing IDs are so fu**ing annoying when revising code by text editor): When I inserted the additional lines in the Dutch text, I c-&-pd the respective text and span elements, and didn’t mind to change their IDs...
16:18, 30 March 2020Thumbnail for version as of 16:18, 30 March 2020784 × 962 (436 KB)Gretarsson (talk | contribs)Added width and height information to the svg tag; deleted property and value 'white-space:pre' from switch tag because it caused an offset of the labels in the original file view; revised Dutch labels in order to make the text fit better between the left and right graphic elements (inserted one more line below the fat black arrow in the middle and lower panels); made some minor formal edits (minor improvements of the code structure for better readability)
23:08, 27 March 2020Thumbnail for version as of 23:08, 27 March 2020512 × 629 (436 KB)Gretarsson (talk | contribs)sorry, my bad, the last version was a test version, nor the Catalan text is correctly adjusted/justified
23:02, 27 March 2020Thumbnail for version as of 23:02, 27 March 2020512 × 629 (439 KB)Gretarsson (talk | contribs)minor adjustments in English (word "contained" was missing in the lowest panel) and Catalan translations
22:32, 27 March 2020Thumbnail for version as of 22:32, 27 March 2020512 × 629 (436 KB)Gretarsson (talk | contribs)Code repaired for french and dutch translations. Please do not use the translate tool! It might mess up the code!
16:24, 24 March 2020Thumbnail for version as of 16:24, 24 March 2020512 × 629 (416 KB)علاء (talk | contribs)Reverted to version as of 13:19, 18 March 2020 (UTC)
13:19, 18 March 2020Thumbnail for version as of 13:19, 18 March 2020512 × 629 (416 KB)Ellywa (talk | contribs)File uploaded using svgtranslate tool (https://tools.wmflabs.org/svgtranslate/). Added translation for nl.
11:25, 18 February 2020Thumbnail for version as of 11:25, 18 February 2020512 × 629 (406 KB)Whidou (talk | contribs)Fix text style.
11:21, 18 February 2020Thumbnail for version as of 11:21, 18 February 2020512 × 629 (406 KB)Whidou (talk | contribs)Add French translation
19:12, 16 June 2019Thumbnail for version as of 19:12, 16 June 2019512 × 629 (405 KB)SMP (talk | contribs)Adding Catalan translation
12:59, 1 November 2018Thumbnail for version as of 12:59, 1 November 2018512 × 629 (403 KB)Tkarcher (talk | contribs)Position was still incorrect.
12:51, 1 November 2018Thumbnail for version as of 12:51, 1 November 2018512 × 629 (403 KB)Tkarcher (talk | contribs)Position of Italian text corrected.
12:33, 1 November 2018Thumbnail for version as of 12:33, 1 November 2018512 × 629 (403 KB)Tkarcher (talk | contribs)+Italian translation
01:27, 3 March 2017Thumbnail for version as of 01:27, 3 March 2017512 × 629 (401 KB)Tkarcher (talk | contribs)Translation corrected.
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