Ibisobanuro birambuye
Epidemic encephalitis b (encephalitis b): Ni indwara ikaze iterwa na virusi ya encephalitis b kandi yanduzwa n'imibu.Umubare munini w'impfu n'ubumuga bwa encephalite b ni imwe mu ndwara zanduza zangiza ubuzima bw'abantu, cyane cyane abana.Kugwa mu gihe cy’ibihe, gukwirakwiza icyorezo cy’indwara bifitanye isano rya bugufi no gukwirakwiza imibu, encephalitis b ni ahantu h’icyorezo cy’Ubushinwa, mu myaka ya za 1960 ndetse no mu ntangiriro ya 70 s icyorezo cy’igihugu cyatangiye nyuma ya za 70 nk’inkingo nyinshi z’inkingo za encephalite b, indwara ya je yagabanutse ku buryo bugaragara, mu myaka yashize kugira ngo ikomeze ku rwego rwo hasi.Ubu, umubare w'abantu banduye encephalite b mu Bushinwa uri hagati ya 5.000 na 10,000 buri mwaka, ariko mu turere tumwe na tumwe usanga hari icyorezo cyangwa icyorezo.Kubera ko imibu ishobora gutwara virusi mu gihe cy'itumba kandi ishobora kwanduzwa kuva amagi ikajya mu magi, ntabwo ari inzira zanduza gusa, ahubwo ni n’ububiko bw'igihe kirekire.Nyuma yuko umubu wanduye je urumye umubiri wumuntu, virusi yabanje gukwirakwira mu ngirabuzimafatizo zaho ndetse na lymph node, ndetse na selile endothelia selile, yinjira mu maraso ikanatera virusi.Indwara iterwa n'umubare wa virusi, virusi n'imikorere y'umubiri.Umubare munini wabantu banduye ntibarwara kandi bafite ubwandu bwihishe.Iyo ubwinshi bwa virusi itera ari nini, virusi iba ikomeye, kandi imikorere yumubiri yumubiri idahagije, noneho virusi ikomeza kwiyongera no gukwirakwira mumubiri binyuze mumaraso.Kubera ko virusi ifite imiterere ya neurophilique, irashobora guca mu nzitizi y'amaraso n'ubwonko ikinjira muri sisitemu yo hagati.Mu ivuriro, rikoreshwa mu gusuzuma indwara zifasha abarwayi bafite virusi ya encephalitis b.