论文部分内容阅读
目的了解河北省2004-2007年急性弛缓性麻痹(AFP)病例中检出脊髓灰质炎(脊灰)疫苗株病毒阳性病例的流行病学特征。方法描述流行病学方法分析个案数据。结果从1657例AFP病例中检出脊灰病毒91株,检出率为5.5%,均为疫苗相关株病毒。病例散在发生,无聚集性。≤2岁儿童病例占92.3%。临床表现主要以发热、腹泻、肢体感觉障碍、深部腱反射减弱或消失为主。结论脊髓灰质炎疫苗株病毒导致的麻痹病例以2岁以下幼儿多见,应加强监测与研究。
Objective To understand the epidemiological characteristics of positive cases of poliomyelitis (polio) vaccine strains detected in acute flaccid paralysis (AFP) cases in Hebei Province from 2004 to 2007. Method Description Epidemiological method to analyze case data. Results A total of 91 strains of poliovirus were detected from 1657 cases of AFP, the detection rate was 5.5%. All of them were vaccine-associated strains. Occurrence of cases, no aggregation. Children less than 2 years old accounted for 92.3%. Clinical manifestations mainly to fever, diarrhea, limb sensory disturbances, deep tendon reflexes weakened or disappeared. Conclusion The paralysis caused by poliovirus vaccine is more common in young children under 2 years of age. Monitoring and research should be strengthened.