The epidemiological characteristics of viral hepatitis E in Donggang district of Rizhao city,2005-2009
Objective To investigate the epidemiological characteristics of viral hepatitis E in Donggang district of Rizhao city,and to provide scientific basis for formulating prevention and control measures.Methods The epidemiological data of viral hepatitis E in Donggang district were collected and analyzed by the descriptive epidemiological method.Results The annual average incidence of viral hepatitis E was 4.08/100 000 during 2005-2009.The incidence of viral hepatitis E showed an increasing trend.More patients were reported in the coastal towns than those in mountain towns.The patients were reported mainly during January to June.The ratio of male to female patients was 3.49∶1.Patients aged 30-75 years accounted for 89.67% of all the patients.Conclusion The surveillance of food and drinking water hygiene should be strengthened.Health education should be promoted.Epidemic surveillance report should be renforced.