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To meet Wikipedia's quality standards, this article or section may require cleanup. Please discuss this issue on the talk page, or replace this tag with a more specific message. Editing help is available. This article has been tagged since July 2006. A vaccine is an antigenic preparation used to produce active immunity to a disease, in order to prevent or ameliorate the effects of infection by any natural or "wild" strain of the organism. The term derives from Edward Jenner's use of cowpox ( ...
Wikipedia - [full article]
Resources
- (National Women's Health Information Center, OWH, HHS)
- Add Hepatitis B Vaccination to Your Back to School List (National Center for Infectious Diseases, CDC, OPHS, HHS)

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