合肥市55例小于1岁麻疹病例分析

目的　为了解和掌握我市小于 1岁年龄组麻疹发病原因 ,制定防制策略 ,加速我市控制麻疹的步伐 ,对 5 5例小于 1岁的麻疹病例进行分析。方法　通过全市麻疹监测和疫情报告两个系统上报的疑似麻疹病例 ,采集静脉血测麻疹IgM抗体 ,择其抗体阳性的麻疹确诊病例 5 5例进行详细调查 ,填写统一设计好的调查表 ,最后对调查表内容进行分析。结果　 5 5例中 ,小于 8月龄 2 6例 (47.3%) ,大于 8月龄 2 9例 (5 2 .7%) ;大于 8月龄 (麻疹免初月龄 )有麻疹疫苗 (MV)接种史的仅占 2 7.6 %,其中城市病例中 ,接种MV者占5 0 %,农村病例占 11.1%。结论　未到MV初免月龄的婴儿发病比例较多 ;农村MV接种及时率低是造成小于 1岁儿童麻疹发病多的主要原因。

Analysis of 55 Measles Cases under 1 year old in Hefei

Objective In order to find out the causes of measles morbidity in the children less than 1 year old, provide basis for making countermeasures and speed up measles control in Hefei, 55 measles cases less than 1 year old were analyzed. Methods Suspect measles cases reported from measles surveillance system and case-reporting system were collected blood for MV IgM detection. 55 cases with MV IgM positive were selected for investigation with questionnaire. Finally, the data were analyzed. Results Among 55 cases, 26 cases were less than 8 months, accounted for 47.3%; 29 cases were larger than 8 months, accounted for 52.7%. Only 27.6% of infants whose age was larger than 8 months had been vaccinated MV. Of them, 50% cases from city had the vaccination history and 11.1% cases from rural areas had the vaccination history. Conclusions Cases less than 8 months had higher ratio. Low timely MV vaccination was main cause of high measles incidence in children less than 1 year old.