Rubella epidemiology in Ganzi, Sichuan, 2004-2011

Objective understand the epidemiological characteristics of rubella in Ganzi from 2004 to 2011 and provide evidence for the prevention and control of rubella. Methods The descriptive analysis was conducted on the incidence data of rubella in Ganzi during this period, and Excel 2007 software was used for statistical analysis. Results From 2004 to 2011, rubella mainly occurred sporadically in Ganzi, but there were still local outbreaks in child care settings and primary/middle schools. The cases mainly occurred from March to August, accounting for 86.09%. The cases in age group 4-14 years accounted for 73.98% and the cases in students and children in and outside child care settings accounted for 91.21%. The male to female ratio of the cases was 1.12:1. Conclusion The incidence of rubella in Ganzi was characterized by obvious seasonality and age specific difference, it is necessary to conduct effective rubella prevention and control according to local rubella epidemiology, especially with the emphasis in child care settings and primary/middle schools.