vaccines

(Learning Modules / Biology / DNA / Glossary) A means of preventing infectious diseases by exposing the immune system to a 'safe' version of the causative bacterium or virus. This stimulates the immune system to produce appropriate antibodies, which protect the person vaccinated from the actual infection. e.g. measles, small pox etc.

Vaccines

(Humans as organisms) substances containing disabled antigens of a particular disease, usually administered via injection. Vaccines stimulate the body to produce antibodies to provide immunity against that disease.

Vaccines

Vaccines: Microbial preparations of killed or modified microorganisms that can stimulate an immune response in the body to prevent future infection with similar microorganisms. These preparations are usually delivered by injection.
Found on http://www.medterms.com/script/main/art.asp?articlekey=5924

Vaccines

Why is autism 10 times as prevalent among young children today as it was in the 1980s? Many parents, noting that the onset of symptoms coincided with their child's vaccination against measles, mumps and rubella (MMR), are convinced that the mercury used as a preservative in the vaccine is to blame. But doctors have not been able to find a link, and...
Found on http://www.time.com/time/covers/1101030120/glossaryv.html

vaccines

Vaccines are microbial preparations of killed or modified microorganisms which can stimulate an immune response in the body in order to prevent future infection with similar microorganism. The smallpox vaccine has totally eliminated the smallpox disease from our planet. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973
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