Epidemiological characteristics of mumps in Shenhe district of Shenyang city from 2005 to 2011

ObjectiveTo investigate the epidemiological features and trend of mumps and to provide basis for formulating and adjusting strategies in mumps prevention and control.MethodsDescriptive epidemiology method was used to analyze the surveillance data on mumps in Shenhe district of Shenyang city from 2005 to 2011 from China Information System for Disease Control and Prevention.ResultsThere were 2 699 cases of mumps reported between 2005 to 2011,with an average annual incidence rate of 50.56 per 100 000.The prevalence of mumps in the area demonstrated an obvious seasonality with two peaks in spring and summer and the greatest number of cases in May.The number of incidence was the highest in Wulihe sub-district,accounting for 12.56% of the total cases.Morbidity was significantly higher in the male,with a male to female ratio of 1.51:1.00.The highest mumps incidence occurred in the children aged 5-14 years,accounting for 68.40% of the all cases.Among the children cases,the proportion of the students were the most(66.37%).ConclusionThe crowded places and institutions are the key sites for the prevention and control of mumps.We should carry out supplementary immunization campaigns timely to prevent and control the mumps epidemic.