Study on the epidemiological characteristics of rubella from 2008 to 2013 in Chongqing / 重庆医学

ABSTRACT

Objective To analyze the epidemiological characteristics of rubella since 2008 ,while the vaccine first used in Chongqing .Methods Descriptive epidemiological study was applied to analyze the cases on rubella from 2008 to 2013 ,and the Excel was used for data analysis .Results From 2008 to 2010 ,the rubella incidence rate reported in Chongqing decreased from 18 .97 per 100 000 to 2 .07 per 100 000 ,but it gave a rebounding trend in 2011 to 2012 .The rubella cases mostly affected children of 6 -14 years old and the epidemic peak was from April to June .Although ,the vaccination rate of rubella increased year by year from 2008 to 2013 ,even in 2012 it reached up to 90% ,but the vaccination coverage was low in primary and middle schools .100 epidemic out‐breaks happened ,91% of which happened in primary and middle schools ,accounting for 18 .74% of all reported cases .Conclusion Students in primary and middle school were easily infected with rubella virus ,the vaccination work should be strengthened for fur‐ther control the rubella infection .Secondary immune of Rubella vaccine of 6 or 7 years old children will contribute to control the outbreak of rubella among school‐age children ,and the rubella vaccine should expand its immunization objects .