Epidemiology of mumps in Hangu district in Tianjin city, 2000 - 2009

Objective To analyze the epidemiological characteristics of mumps in Hangu district in Tianjin from 2000 to 2009, and provide evidence for developing the prevention and control strategies. Methods Descriptive epidemiological analysis was conducted on the incidence data of mumps in Hangu reported through national disease reporting information system. Results From 2000 to 2009, a total of 1074 mumps cases were reported with the annual incidence of 61.79/lakh. Mumps epidemic occurred during the year of 2003.The incidence of the disease was with obvious seasonality, which peaked during April-July and during December-February. Most cases were students and children aged＜15 years, accounting for 95.90% of the total reported cases. The cases number was highest in age group of 5-9 years old (497), accounting for 46.28% of the total. Eleven outbreaks occurred during this period, resulting in 620 cases (57.73% of the total).All the outbreaks occurred in primary schools and middle schools. Conclusion The incidence of mumps was high in Hangu. It is necessary to strengthen the prevention and control of mumps by active conduction of the vaccination.