Tsanangudzo yakadzama
Epidemic encephalitis b(encephalitis b):Chirwere chakakomba chinokonzerwa nehutachiona hwe encephalitis b uye chinotapurirwa neumhutu.Kufa kwakanyanya uye kuremara kweencephalitis b ndechimwe chezvirwere zvinotapukira zvinotyisidzira hutano hwevanhu, kunyanya vana.Kudonha kwemwaka wepamusoro, chirwere chedenda nharaunda kugovera kwakabatana zvakanyanya nekuparadzirwa kweumhutu, encephalitis b inzvimbo dzakakwirira dzenzvimbo muChina, muma1960 nekutanga 70s denda renyika rakatanga mushure me70s seyakasiyana-siyana yekudzivirira encephalitis b, chiitiko ichi chakaderedzwa zvakanyanya, mumakore achangopfuura kuchengetedza mune yakaderera nhanho.Uye ikozvino, nhamba yezviitiko zvakashumwa zve encephalitis b muChina iri pakati pe5,000 ne10,000 gore negore, asi kune kuputika kana zvirwere mune dzimwe nzvimbo.Sezvo umhutu hunogona kutakura hutachiwana munguva yechando uye hunogona kupfuudzwa kubva pazai kuenda kune zai, haisi mavectors ekutapurirana chete, asiwo mauto ekuchengetedza kwenguva refu.Mushure mekunge mosquito inotapukirwa neje yaruma muviri wemunhu, hutachiona hunotanga kuwedzera mumaseru emunharaunda uye lymph nodes, pamwe nevascular endothelial cells, inopinda muropa uye inogadzira viremia.Chirwere chinoenderana nehuwandu hwehutachiona, hutachiona uye hutachiona hwehutachiona hwemuviri.Ruzhinji rwevanhu vane hutachiona havarware uye vane hutachiona hwakavanzika.Kana huwandu hwehutachiona hwehutachiona hwakakura, hutachiona hwakasimba, uye hutachiona hwemuviri husina kukwana, ipapo hutachiona hunoramba huchiwedzera uye huchipararira mumuviri wose kuburikidza neropa.Nekuda kwekuti hutachiona hune neurophilic hunhu, hunogona kupaza nepakati peropa-brain barriers uye kupinda mukati mepakati tsinga system.Mukiriniki, inoshandiswa pakubatsira kuongororwa kwevarwere vane encephalitis b virus utachiona.