Analysis on the epidemiological characteristics of measles in Xihu County in 2004-2010

OBJECTIVE To analyze the epidemiological characteristics of measles in Xihu County from 2004 to 2010,and then provide scientific basis for measles control and prevention.METHODS Descriptive study was based on the data from case investigation of measles.RESULTS 481 measles cases were reported in 2004-2010,and the average annual incidence rate of measles was 12.14/100 000.The incidence rates in 2005 and 2008 reached to 21.48/100 000 and 37.10/100 000,respectively.The incidence peaked at March to June.Main measles cases were distributed in Sandun Town and Jiangcunwenxin Street.The proportion of 8-month-1 year group,20-30-year-old group and 30-40-year-old group were higher.They accounted for 28.0%,26.4%,20.2%,respectively.8-month-1-year-old residents who had no measles vaccination accounted for 58.62%.However the coetaneous emigrants accounted for 61.54%.CONCLUSION The periodic fluctuation of measles exists in Xihu County.The measles cases are concentrated in the population less than 1 year old or more than 20 years old,live in the suburbs.In order to reduce the incidence of measles,we should further improve the timely vaccination rate in children and the intensive immunization in adults.Meanwhile,effective strategy should be carried out to control measles.