An evaluation on effect of supplementary immunization for measles in Guzhen,Zhongshan city in 2009

Objective:To evaluate the effect of supplementary immunization for measles in Guzhen,Zhongshan city in 2009 and provide the basic strategy for measles elimination.Methods:Collected and analyzed the data on measles vaccination history,IgG antibody level and measles incidence before and after supplementary immunization.Results:The rate of measles vaccination for groups aged from 8-month-old to 14-year-old after supplementary immunization was significantly higher than before,The GMC of measles antibody and positive rate of serum also remarkably became higher respectively.Compared with the measles incidence in Guzhen from 2005 to 2008,the incidence decreased significantly in 2009.Conclusion:Supplementary immunization for measles is an effectively way to improve people's immunity against measles and reduce the incidence rate of measles.