杭州市首起输入性传染性非典型肺炎的流行病学调查

An Epidemiological Survey on the Imported Cases with Severe Acute Respiratory Syndrome in Hangzhou City

目的 查明杭州市首起输入性传染性非典型肺炎的传染来源 ,探讨控制措施的效果和可行性。方法 对杭州市首起输入性传染性非典型肺炎的病人及其密切接触者进行流行病学调查 ,分析病例与密切接触者的关系、接触时间、接触方式以及接触环境等。结果 杭州市首起 3例输入性传染性非典型肺炎的传染来源为陪同来自北京的SARS病人在湖北黄岗市中心医院看病而感染。杭州市输入 3例病人后 ,由于政府重视 ,控制措施严格 ,未发生二代病人和医务人员感染。结论 SARS的传染性 ,除了少数“超级传播者” ,一般的SARS病人 。

Objective To investigate the infectious source of the imported cases with severe acute respiratory syndrome (SARS), and to evaluate the efficacy and feasibility of preventive measures for SARS. Methods An epidemiological survey was carried out among the imported cases with SARS and their close contactors to analyze the relationship between them, contact time, contact manner and contact environment etc. Results These cases were infected while accompanying SARS patient from Beijing to see a doctor in Huanggang Central Hospital of Hubei province. Due to the government recognition and strict preventive measures, there were no secondary cases appeared and no doctors infected in Hangzhou city. Conclusions Except a few “super infectors', the infectiousness of most SARS patients, including the severe patients, was limited.