Japanese Encephalitis Vaccine

Japanese Encephalitis Vaccine

接種劑量(1)9個月至4歲需接種兩針,兩針相隔12-24個月(2)5歲以上隻需接種1針(3)成人應在出發前最少14天接種疫苗,兒童則需要28天。疫苗適用於準備前往日本腦炎流行區(尤其是當地郊區)並逗留一個月或以上的旅遊人士。對於一些短期旅遊(不足一個月),旅客如果計劃於疾病傳播季節到郊區並大部分時間進行戶外或夜間活動,亦應接種疫苗。傳播途徑日本腦炎是一種經蚊子傳播的疾病主要由給帶有日本腦炎病毒的三

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Japanese Encephalitis Vaccine

Japanese encephalitis is a mosquito-borne disease caused by the Japanese encephalitis virus. The disease occurs mainly in the rural and agricultural areas of Asia and the Western Pacific Region.


Way for Spreading

Japanese encephalitis virus is principallytransmitted by the bites of infected mosquitoescalled Culex tritaeniorhynchus.


Incubation Period

4-14 days


Clinical Features

Most infections occur without apparent symptoms or withmild symptoms such as fever and headache. More severeinfection is characterised by rapid onset of headache, highfever. neck stiffness, impaired mental state, coma, tremorsconvulsions(especially in children) and paralysis.