一起诺如病毒急性胃肠炎医院感染暴发的调查与处置

Investigation and management of an outbreak of norovirus acute gastroenteritis

    摘要
  • 摘要:
    目的 了解一起诺如病毒急性胃肠炎医院感染暴发事件发生原因，评价处置措施的效果。
    方法 2025年2月南京医科大学第三附属医院采用流行病学调查方式，对该院某专科监护室一起诺如病毒急性胃肠炎医院感染暴发事件原因进行调查并评价采取处置措施效果。
    结果 该院某专科监护室在2025年2月8日-14日的7 d内确诊19例急性胃肠炎病例，包括住院患者和工作人员，罹患率分别为35.48%和25.00%。经实验室检测和流行病学调查，证明此次急性胃肠炎暴发是由医院内感染诺如病毒GⅡ型所致。通过采取加强消毒、病例隔离管理、做好标准预防、开展健康宣教和舆情管理等措施及时、有效、平稳控制了疫情。
    结论 此次为一起由诺如病毒GⅡ型引起的急性胃肠炎医院感染暴发事件，现场处置措施及时有效，迅速控制了疫情，为后续医院感染防控积累了宝贵经验。

     

    Abstract:
    OBJECTIVE To investigate the causes of a hospital-associated outbreak of norovirus acute gastroenteritis and evaluate the effectiveness of treatment measures.
    METHODS In Feb. 2025, the Third Affiliated Hospital of Nanjing Medical University conducted an epidemiological investigation to analyze the causes and assess the effectiveness of treatment measures for a hospital-associated outbreak of norovirus acute gastroenteritis in a specialized intensive care unit (ICU) of the hospital.
    RESULTS Within 7 days (from Feb. 8 to Feb. 14, 2025), 19 cases of acute gastroenteritis were confirmed in the specialized ICU, including both hospitalized patients and healthcare workers, with attack rates of 35.48% and 25.00%, respectively. Laboratory testing and epidemiological investigation confirmed that the outbreak was caused by hospital-associated infection of norovirus GⅡ. Timely and effective control was achieved through enhanced disinfection, case isolation, standard precautions, health education and public communication management.
    CONCLUSIONS This hospital-associated outbreak of acute gastroenteritis is caused by norovirus GⅡ, and the on-site treatment measures are timely and effective, rapidly controlling the epidemic situation, providing valuable experience for future hospital-associated infection prevention and control.

     

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