Objective: To understand the impact of surveillance system of viral encephalitis during 2005-2007 in Baoji city of Shaanxi province, to find epidemiological characteristic, control strategies and measurement to Japanese Encephalitis (JE).
Methods: Establishing the monitoring system of viral encephalitis, special monitoring of viral encephalitis cases was analyzed statistically by Epi data and Excel software.
Results: The seasonal trend of viral encephalitis was identical with that of JE, but the age of the incidence was different. Rate of missed diagnosis was 23.76%, squcalac cases was 5.5 times of the regular reported cases. The actual mortality was 7 times of the reported cases after 90 days and 180 days follow-up visit.
Conclusions: Viral encephalitis monitoring and JE follow-up should be conducted in epidemic season so as to improve the accuracy of report and diagnosis of JE.