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温州地区急性呼吸道感染住院患儿流感病毒感染状况调查 被引量:2

Investigation on conditions of influenza virus(IFV) infection among children in Wenzhou area
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摘要 目的了解温州地区急性呼吸道感染(ARI)住院患儿流感病毒(IFV)感染的情况。方法对2003年1月至2006年6月温州地区5972例ARI住院患儿用直接免疫荧光法检测鼻咽分泌物中的IFVA、IFVB抗原。结果送检标本5972例,IFV阳性156例(2.6%),其中IFVA136例(87.2%),IFVB20例(12.8%)。2003年度和2005年度IFV阳性检出率均为4.2%,显著高于2004年(χ^2=69.857,P=0.000);1~3岁年龄组IFV阳性检出率3.8%,〉3岁年龄组IFV阳性率3.7%,均显著高于〈1岁年龄组(χ^2=8.842,P〈0.05)。结论温州地区ARI住院患儿IFV感染以1岁以上儿童为主,IFVA常见,流行季节以夏秋季为主,每次仅持续1~2个月;IFVB检出率低,流行趋势难确定。 Objective To investigate 5972 hospitalized children's influenza virus(IFV) infection conditions in Wenzhou area from January , 2003 to June, 2006. Methods IFVA ,IFVB antigens were detected by direct immunofluorescence assay in nasopharyngeal secretion. Results Among 5972 cases, 156(2.6% ) cases were positive for IFV. IFVA accounted for 136(87.2% ) eases and IFVB for 20( 12.8% ). The positive rates of IFV were both 4.2% in 2003 and 2005, which were higher than that in 2004 .The positive rates of IFV were 3.8% in 1 - to 3 - year old group and 3.7% in above - 3 - year old group, respectively, which were both higher than that in under - I - year old group. Condusiolls Children who are above - I - year are associated with higher positive rate of IFV in Wenzbou area. Among the subtypes of IFV, IFVA is the leading pathogen and its epidemic peak occurs in summer and autumn with a period of 1 ~ 2 months. The rate of IFVB infection is very low and its epidemiologie features are still undefined.
出处 《浙江临床医学》 2007年第8期1028-1029,共2页 Zhejiang Clinical Medical Journal
关键词 流感病毒 急性呼吸道感染 儿童 Influenza virus Acute respiratory infection Children
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