Nkọwa zuru ezu
Epidemic encephalitis b(encephalitis b): Ọ bụ nnukwu ọrịa na-ebute site na nje encephalitis b na-ebute site na anwụnta.Ọnụ ọgụgụ dị elu nke ọnwụ na nkwarụ nke encephalitis b bụ otu n'ime ọrịa na-efe efe na-eyi ahụike mmadụ egwu, karịsịa ụmụaka.Fall n'ihi na ọnụ ọgụgụ kasị elu n'oge, ọrịa na-efe efe ebe nkesa na-metụtara nkesa nke anwụnta, encephalitis b bụ elu endemic ebe na China, na 1960 s na mmalite 70 s mba ọrịa malitere mgbe 70 s dị ka a dịgasị iche iche nke encephalitis b ịgba ọgwụ mgbochi ọrịa, je incidence bụ n'ụzọ pụtara ìhè belata, na-adịbeghị anya ka ịnọgide na-na ala larịị.Ma ugbu a, ọnụ ọgụgụ ndị a na-akọ banyere ọrịa encephalitis b na China dị n'etiti 5,000 na 10,000 kwa afọ, mana enwere ntiwapụ ma ọ bụ ọrịa na-efe efe na mpaghara ụfọdụ.Ebe ọ bụ na anwụnta nwere ike ibu nje site n'oge oyi ma nwee ike ibufe ya site na akwa gaa na akwa, ọ bụghị nanị na ha na-ebufe ya, kamakwa ndị na-echekwa nchekwa ogologo oge.Mgbe anwụnta bu nje je tara ahụ mmadụ, nje a na-ebu ụzọ gbasaa n'ime mkpụrụ ndụ anụ ahụ na mpaghara lymph, yana sel endothelial vaskụla, na-awaba n'ọbara ma na-akpụ viremia.Ọrịa ahụ na-adabere na ọnụọgụ nje, nje na-arụ ọrụ na-alụso ọrịa ọgụ nke ahụ.Ihe ka ọtụtụ n'ime ndị bu ọrịa ahụ adịghị arịa ọrịa ma na-ebute ọrịa zoro ezo.Mgbe ọnụọgụ nje na-efe efe buru ibu, virulence siri ike, na ọrụ ahụ ji alụso ọrịa ọgụ ezughị ezu, mgbe ahụ nje ahụ na-aga n'ihu na-amụba ma gbasaa ahụ dum site na ọbara.N'ihi na nje ahụ nwere ọdịdị neurophilic, ọ nwere ike imebi ihe mgbochi ụbụrụ ọbara wee banye n'ime usoro nhụjuanya nke etiti.N'ụlọ ọgwụ, a na-eji ya maka nchọpụta inyeaka nke ndị ọrịa nwere ọrịa nje encephalitis b.