The Analysis Of The Measles Prevalence In Xinyang City During 2004～2009

Objectives①The morbidity baseline of measles in Xinyang City was determined based on the collection of measles incidence from 1953 to 2009.②The analysis of the epidemiological characteristics of measles in Xinyang City during 2004-2009 expressed the situation of measles in the whole city.③The problems existed in the work of prevention and control of measles were found out and the high-risk group was identified in Xinyang City.The analysis could provide a scientific basis for the realization of eliminating measles in Xinyang City by 2012.MethodsThe epidemiological characteristics of measles were studied by descriptive epidemiology in Xinyang City during 2004～2009.The data were processed and analyzed by Excel 2003 and SPSS12.0. The map was manufactured by the PHGIS(public health geographic information system) 1.03 software to describe the local distribution.The classification number in the explanatory legend was part of the half-open half closed interval. It included the lower limit and excluded the upper limit.ResultsConclusions were determined through the analysis of the measles data in Xinyang City during 2004～2009.①Seasonal features of measles were obviously in Xinyang City.The morbidity peak was March to July.The proportion of measles incidence were 77.14%,77.56%,52.06%,57.95%,56.38% and 65.49% from 2004 to 2009.②The small age group was dominant and the high-risk group was the pre-schooler children.The proportion below fifteen years old was 94.34%.And the rate in the small age group was increased gradually.It was 11.68/105 in the babies below one year old in 2004,and raised to 435.38/105 in 2009.③High sporadic,partial outbreak and epidemic of measles were unified in the whole city. Epidemic of measles were reported in Shihe County,Xin County and Huangchuan County in 2009.The rates were 50.37/105,36.23/105 and 33.83/105. The routine immunization coverage rates of measles reported during 2004 to 2009 ranged from 95.75%～99.56%.And the estimated coverage rates ranged from 88.21% to 102.88%.There were significant differences between reported coverage rates and estimated ones.The reported rates were unbelievable. Vaccination rates were 95.75%,97.40%,97.21%,95.60%,96.73% and 93.85% during 2004 to 2009 from the surveying of measles immunization in the school-age children.ConclusionThe epidemiological characteristics of measles occurred some changes from time, age and intensity in Xinyang City in recent years.The incidence of measles increased gradually. Measles vaccination was an effective measure to control disease.In order to formate the immunization in the crowd,the work of measles vaccination must be strengthened. And realize the elimination of measles in Xinyang City by 2012 progressively.