Characteristic analysis of mumps in Wenzhou city in 2006-2009

Abstract

Objective To analyze the epidemiological characteristics and trend of mumps in Wenzhou, and to provide a scientific basis for taking appropriate intervening measures of mumps. Methods Descriptive epidemiological analysis was conducted on the data on mumps in Wenzhou from National Disease Reporting System and Emergency Public Reporting System from 2006 to 2009. Results Tbere were 18 355 mumps cases reported between 2006 and 2009, and the average annual incidence rate was 60.32 per 100 000. Mumps had obvious seasonality and reached the peaks in early summer and winter. Incidence was high in areas of high population density, the incidence in the highest population density area was 168.33 per 100 000. The highest mumps incidence occured in the children aged 2-9, accounted for 85.79%. Mumps outbreaks occurred frequently in the population of students and the pre- school children, there were incidences of 48.19% and 44.09% respectively in students and pre-school children. Conclusions The current mumps epidemic in Wenzhou city still faces with problems, intervening measures should be taken to launch mumps vaccination compaign,to increase vaccinaiton coverage rate,and to decrease mumps cases and incidence of mumps. Furthermore, the influence of density of population on mumps epidemic characteristics should be considered when epidemic factors are analysed. Key words: Mumps; Epidemiologic characteristics; Intervening measures