| − | Inflammation is redness, swelling, heat and pain resulting from injury to tissue (parts of the body underneath the skin). It is also known as [[swelling]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref> | + | '''Inflammation''' refers to redness, swelling, heat and pain resulting from injury to tissue (parts of the body underneath the skin). It is also known as [[swelling]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref> |