Analysis on epidemiological characteristics of 109 acute sporadic hepatitis E / 中华疾病控制杂志

ABSTRACT

Objective To explore the epidemiological characteristics of acute sporadic hepatitis E.Methods 109 cases of hepatitis E were investigated to collect the information on epidemic history and other health behaviors and the rate was used to describe the data.Results Of 67.3%(109/162) cases of hepatitis E in 2008 of Taizhou,the male to female ratio was 1∶0.31.Among the 109 cases,illiterates and semi-illiterates accounted for 47.7% and the proportion of rural workers was 78.0%.87.2% cases had an average monthly incomes below 1 000 Yuan and 45.9% cases occurred from February to April.47.7% cases had meals in small restaurants,and the rates of unhealthy foods and business travelling were 36.7% and 16.5% within 15 to 75 days before onset of the disease.64.2% cases had poor habits of washing hands before meals.Conclusions The occurring of hepatitis E were reported from February to April in Taizhou and most cases came from rural residents between 30 to 60 with low income and lower educational levels.The top three exposure risk factors were the history of eating outside,unhealthy foods and business travelling.