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[[Image:Vaccine.jpg|right|thumb|350px|[[Avian flu]] vaccine development]]

[[Image:Vaccine.jpg|right|thumb|350px|[[Avian flu]] vaccine development]]

A '''vaccine''' is an pharmaceutical product containing an [[antigen]] designed to stimulate the production of antibodies abainst a particular disease or diseases.  

A '''vaccine''' is an pharmaceutical product containing an [[antigen]] designed to stimulate the production of antibodies abainst a particular disease or diseases.<ref>https://www.sciencenewsforstudents.org/article/explainer-what-vaccine</ref>

Other diseases that have been drastically reduced since the invention of vaccines include [[measles]], [[mumps]], [[rubella]], and typhoid.{{cn}}

Other diseases that have been drastically reduced since the invention of vaccines include [[measles]], [[mumps]], [[rubella]], and typhoid.{{cn}}