1·To analyse the epidemic trend of Japanese B Encephalitis (JE) during 1997-2005 in Zunyi, and provide evidence for prevention and control of Japanese B Encephalitis.
分析遵义市1997～2005年流行性乙型脑炎（乙脑）流行趋势，为全市乙脑预防控制策略提供依据。
2·To analyze the epidemiological surveillance of Japanese B Encephalitis (JBE) and present condition in Xinyang during 2004 ~ 2005, and provide guidance for JBE control.
分析信阳市2004 ~ 2005年乙脑监测情况和防治现状，为预防和控制乙脑提供科学依据。