Hepatitis D virus (HDV) is found in the blood of persons infected with the [[virus]]."<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#h</ref> | Hepatitis D virus (HDV) is found in the blood of persons infected with the [[virus]]."<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#h</ref> |