Changes

Hepatitis B is a viral [[disease]] transmitted by exposure to infected [[blood]] or [[blood]] products (such as [[blood]] transfusions), saliva, or through unprotected sex with someone who is infected.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#h</ref>

'''Hepatitis B''' is a viral [[disease]] transmitted by exposure to infected [[blood]] or [[blood]] products (such as [[blood]] transfusions), saliva, or through unprotected sex with someone who is infected.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#h</ref>

As with [[AIDS]], Hepatitis B is not contagious from casual contact, however Hepatitis B is a resilient virus which can live outside the body for up to seven days under certain conditions<ref>http://www.pkids.org/pdf/phr/02-01hbv.pdf</ref> as opposed to HIV which can only survive outside the body for a few hours<ref>http://www.cdc.gov/hiv/resources/qa/qa35.htm</ref>.   

As with [[AIDS]], Hepatitis B is not contagious from casual contact, however Hepatitis B is a resilient virus which can live outside the body for up to seven days under certain conditions<ref>http://www.pkids.org/pdf/phr/02-01hbv.pdf</ref> as opposed to HIV which can only survive outside the body for a few hours<ref>http://www.cdc.gov/hiv/resources/qa/qa35.htm</ref>.