Ibisazi by’imbwa ni indwara ikomeye iterwa na virusi yibasira ubwonko bw’umuntu cyangwa izindi nyamaswa zigira amaraso ashyushye. Ibimenyetso by’ibanze bishobora kuba umuriro no gutitira kw’ahantu harumwe. Ibyo bimenyetso bikurikirwa n’ikindi kimenyetso kimwe cyangwa byinshi aribyo: guhubuka mu bikorwa, kutagira rutangira mu myitwarire, [gutinya amazi,kudashobora kunyeganyeza ibice bimwe by’umubiri, kuvangirwa no guta umutwe]. Nyuma y’igaragara ry’ibimenyenyetso, ibisazi by’imbwa akenshi birangizwa n’urupfu. Igihe cyo kwandura iyo ndwara nicyo kugaragaza ibimenyetso ubusanzwe kiri hagati y’ukwezi kumwe n’amezi atatu. Aliko iki gihe gishobora guhinduka, bikagaragara mu gihe kiri munsi y’icyumweru kugeza ku mwaka urenga. Igihe gihindagurika bitewe n’uburebure bw’intera virusi igomba kugenda kugira ngo igere mu mitsi yo mu bwonko rwagati.. Indwara y’ibisazi by’imbwa yanduza abantu iturutse ku zindi nyamaswa. Kwandura biba iyo inyamaswa ishishimuye cyangwa ikaruma indi nyamaswa cyangwa umuntu. Urukonda rw’ inyamaswa yanduye narwo rushobora kwanduza indwara y’ ibisazi by’ imbwa igihe urwo rukonda ruhuye n’ igice cy’ umubiri w’ umuntu cyangwa w’inyamaswa gifite urukonda. Abantu benshi barwara ibisazi by’ imbwa akenshi ni ababa barumwe nazo. ref name=WHO2013/> Mu bihugu bibonekamo imbwa zirwaye ibisazi, izirenga 99 ku ijana akenshi ziba zariwe n’ izindi mbwa. Muri Amerika impamvu nyamukuru itera ibisazi ni ubucurama, kandi abantu bari munsi ya 5 ku ijana barwaye ibisazi biterwa no kuribwa n’ imbwa. Inyamaswa zo mu bwoko bw’imbeba ntizikunze gufatwa n’ibisazi by’imbwa. Virusi y’ibisazi by’imbwa igenda igana mu bwonko inyuze mu myakura ishamikiyeho. Iyo ndwara ishobora kugaragazwa n’igipimo cyo kwa muganga igihe ibimenyetso byatangiye kugaragara gusa.