Changes

Hypersensitivity is a condition in which the body has an exaggerated response to a substance (e.g. food or drug).   

Hypersensitivity is a condition in which the body has an exaggerated response to a substance (e.g. food or drug).   

Hypersensitivity is also known as an [[allergy]].

Hypersensitivity is also known as an [[allergy]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#h</ref>