流行性乙型脑炎疫苗

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流行性乙型脑炎(简称乙脑)在国际上被称为日本脑炎。它是由乙脑病毒引起的急性中枢神经系统传染病,主要分布在亚洲地区,夏秋季通过蚊虫叮咬传播。受感染的动物(猪或其他家畜)为主要传染源,蚊虫是主要传播媒介,常见的有三带喙库蚊、中华按蚊。病毒在蚊虫体内繁殖,并在其唾液腺内大量出现,当人被带有乙脑病毒的蚊虫叮咬,病毒便会随其唾液进入人体。人对乙脑病毒普遍易感,感染后多数呈隐性感染,并可获得较持久的免疫力。而临床表现则主要以高热、头痛、呕吐、意识障碍、抽 Japanese encephalitis (referred to as JE) is internationally known as Japanese encephalitis. It is an acute central nervous system infection caused by Japanese encephalitis virus. It is mainly found in Asia and is spread through mosquito bites in summer and autumn. Infected animals (pigs or other domestic animals) are the main source of infection and mosquitoes are the main vectors. Culex tritaeniorhynchus and Anopheles sinensis are common. The virus multiplies in mosquitoes and appears in large quantities within its salivary glands. When a person is bitten by a mosquito with a JE virus, the virus enters the body with its saliva. People are generally susceptible to Japanese encephalitis virus, the majority of infection was latent infection, and can obtain more lasting immunity. The clinical manifestations are mainly high fever, headache, vomiting, disturbance of consciousness, smoking
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