Li Yan-ting, Zhu Yi-Yi, Jin Bi-hong
Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China.
Zhongguo Yi Miao He Mian Yi. 2009 Dec;15(6):507-10, 561.
To understand the epidemiological characteristics of Japanese Encephalitis in Shanghai and to provide evidence for preventing JE.
Epidemic characteristics, JEV antibody in healthy population and swine infection rate in Shanghai were analyzed by methods of field survey, serology and molecular biology.
JE incident rate in Shanghai was 0.077/100,000 in 2006; and 0.129/100,000 in 2007. Antibody positive rate before JE epidemic fastigium was 60.39%; postive rate after epidemic was 85.44%. JE IgG positive rate was 26.92% in 3-month swine and 14.86% in swine for sale; JE Gene in mosquito was analyzed for type 1.
The JE prevalence rate is relatively low in Shanghai. JE antibody positive rate is high in Shanghai population. Swine as a media is infected by JE virus. The JE virus in mosquitoes belongs to genotype 1.
了解上海市流行性乙型脑炎（乙脑）的流行病学特征，为乙脑防控提供依据。
采用现场调查、血清学及分子生物学方法分析上海市乙脑流行特征、健康人群乙脑抗体及猪感染率。
2006年上海市乙脑发病率为0.077/10万；2007年为0.129/10万。乙脑流行高峰期前抗体阳性率为60.39%；流行后阳性率为85.44%。3月龄猪乙脑IgG阳性率为26.92%，待售猪为14.86%；蚊中乙脑基因分型为1型。
上海市乙脑流行率较低。上海人群乙脑抗体阳性率高。猪作为媒介被乙脑病毒感染。蚊中乙脑病毒属于1基因型。
