candidate: Other viruses than can cause hepatitis include : * Adenoviruses * Arenaviruses : Guanarito virus , Junín virus , Lassa fever virus , Machupo virus and Sabiá virus * Bunyaviruses : Crimean - Congo hemorrhagic fever virus , Dobrava virus , Hantaan virus , Puumala virus , Rift Valley fever virus and Seoul virus * Coronavirus : Severe acute respiratory syndrome virus * Erythrovirus : Parvovirus B19 * Filoviruses : Ebola virus and Marburg virus * Flaviviruses : Dengue , Lujo virus , Kyasanur Forest disease virus , Omsk hemorrhagic fever virus and Yellow fever virus * Herpesviruses : Cytomegalovirus , Epstein – Barr virus , Varicella - zoster virus , Human herpesvirus 6 , Human herpesvirus 7 and Human herpesvirus 8 * Orthomyxoviruses : Influenza * Picornaviruses : Echovirus * Reovirus : Colorado tick fever virus , Reovirus 3 KIs - V is a virus isolated in 2011 from four patients with raised serum alanine transferases without other known cause .