Kune zvimwe zvirwere zviri kuongororwa kuti zvizive kana zvine hutachiona sechinhu chinokonzeresa, senge kubatana kwevanhu herpesvirus 6 (HHV6) uye zvirwere zvepfungwa senge multiple sclerosis uye chronic fatigue syndrome. Pane gakava pamusoro pekuti bornavirus, yaimbofungidzirwa kuti inokonzeresa zvirwere zvepfungwa mumabhiza, ingave iri kukonzera zvirwere zvepfungwa muvanhu. Mavirusi ane nzira dzakasiyana siyana dzavanogadzira chirwere mumuviri wemunhu, izvo zvinoenderana zvakanyanya nemhando dzehutachiona.
utachiona hwehepatitis B nehepatitis C