目的通过对西安市2007—2008年度流行性感冒(流感)监测结果的分析,了解西安市流感流行情况,为做好流感预防控制工作提供科学依据。方法选择西安市儿童医院、西安市第四人民医院、长安区人民医院作为监测点,依照《卫生部全国流感/人禽流感流感监测实施方案(2005—2010讨论稿)》要求和统一监测标准进行流行学和病原学监测。结果2007年10月—2008年3月在3所医院共监测到流感样病例18603例,儿童占96.6%,成人占3.4%。采集标本525份,分离到H3亚型4株和B型流感病毒46株,共50株,阳性率为9.5%。结论明确了西安市流感流行的主要病毒株与我国的流行株一致;应加强儿童的防控工作。 Objective To analyze the prevalence of influenza (influenza) in 2007-2008 in Xi’an and understand the prevalence of influenza in Xi’an so as to provide a scientific basis for the prevention and control of influenza. Methods Xi’an Children’s Hospital, Xi’an No.4 People’s Hospital and Chang’an District People’s Hospital were selected as monitoring points. According to the requirements of the “Implementation Plan of Influenza / Human Flu Flu Surveillance in the Ministry of Health (2005-2010 Discussion Paper)” and unified monitoring standards Epidemiology and etiology monitoring. Results A total of 18,603 influenza-like illness cases were detected in 3 hospitals from October 2007 to March 2008, 96.6% were children and 3.4% were adults. A total of 525 specimens were collected. Four strains of H3 subtype and 46 strains of influenza B virus were isolated, with a total of 50 strains, the positive rate was 9.5%. Conclusions It is clear that the major influenza strains prevailing in Xi’an are consistent with the epidemic strains in our country. Prevention and control of children should be strengthened.