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目的分析2003年3月～5月间北京市东城区严重急性呼吸综合征(severeacuterespiratorysyndrome,SARS)爆发流行特征。方法根据东城区疾病预防控制中心的疫情日报表,以及从其他渠道收集补充的信息进行分析。病例的诊断按照卫生部颁布的标准。用Excel软件建立数据库,用SPSS软件统计分析。结果东城区首例发生于3月14日(3月16日入院),至4月中、下旬发病达高峰,5月5日开始下降,5月22日后未再发生新的临床诊断病例,5月24日、6月10日曾发生3例疑似SARS,后均被排除。共报告572例住院,99例在住院治疗过程中因被确诊为上感、普通肺炎、出疹性疾病等排除了SARS的诊断,实有473例SARS及疑似SARS。各年龄组人群普遍易感,以20～50岁最多,占总病例数的68.7%,平均发病年龄为40.7岁。病例的男女比例差异无显著性。SARS病例呈现明显的家庭聚集现象。医务人员病例占总数的18.0%,离退休人员占15.4%。全区10个街道均有病例发生。按常住人口计算,罹患率为28.3/10万。报告病例中,先后在区属二级医院住院的230例,占40.2%。85例医务人员SARS及疑似SARS病例中,18例发生在四所区属二级医院,占其在SARS病房或发热门诊工作的医务人员总数的4.5%。34.7%的SARS病例在病前无任何接触史。41例SARS病例死亡,病死率8.7%。SARS病例的密切接触者罹
Objective To analyze the epidemic characteristics of severe acute respiratory syndrome (SARS) outbreak in Dongcheng District of Beijing from March to May in 2003. Methods According to the daily report of epidemic situation in Dongcheng District Center for Disease Control and Prevention and collecting supplementary information from other sources for analysis. The diagnosis of cases in accordance with the standards promulgated by the Ministry of Health. Using Excel software to establish a database, using SPSS software statistical analysis. Results The first case occurred in Dongcheng District on March 14 (March 16 admission), peaked in mid-April and late peak, began to decline on May 5, and no new clinical diagnosis occurred after May 22. 5 Three cases of suspected SARS occurred on the 24th and the 10th of June, all of which were excluded. A total of 572 hospitalized cases were reported, and 99 cases were diagnosed as having felt the flu, common pneumonia and rash disease during hospitalization, which excluded 473 cases of SARS and suspected SARS. The population of all age groups is generally susceptible, with the largest number of 20 to 50 years old, accounting for 68.7% of the total number of cases, with an average age of onset of 40.7 years. No significant difference in the proportion of male and female cases. SARS cases showed obvious family aggregation phenomenon. Medical staff accounted for 18.0% of the total number of cases, retirees accounted for 15.4%. District 10 streets have cases. According to the resident population, the attack rate was 28.3 / 100000. Among the reported cases, 230 cases were hospitalized in Grade II hospitals in succession, accounting for 40.2%. Of the 85 cases of SARS and suspected SARS among medical staff, 18 cases occurred in four district-II hospitals, accounting for 4.5% of the total number of medical staff working in SARS ward or fever clinic. 34.7% of SARS cases without prior contact history. 41 cases of SARS deaths, the mortality rate of 8.7%. Close contact with SARS cases