Skip Over Navigation Links

NIH Image Bank

Image Details

Community Immunity

preview

View/Download:

Small:
171x233
ViewDownload
Medium:
357x487
ViewDownload
Large:
715x975
ViewDownload
Add to My Pictures
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.