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      Outbreak of severe acute respiratory syndrome in a tertiary hospital in Singapore, linked to an index patient with atypical presentation: epidemiological study.

      BMJ : British Medical Journal

      Aged, Contact Tracing, Cross Infection, epidemiology, Disease Outbreaks, Female, Gastrointestinal Hemorrhage, etiology, Health Personnel, Humans, Infectious Disease Transmission, Patient-to-Professional, Male, Severe Acute Respiratory Syndrome, transmission, Singapore

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          Abstract

          To describe an outbreak of severe acute respiratory syndrome (SARS) in a tertiary hospital in Singapore, linked to an index patient with atypical presentation, and the lessons learnt from it. Descriptive study. A tertiary hospital in Singapore. Patients, healthcare workers, and visitors who contracted SARS in Singapore General Hospital. Probable SARS as defined by the World Health Organization. The index patient presented with gastrointestinal bleeding, initially without changes to his chest radiograph. Altogether 24 healthcare workers, 15 patients, and 12 family members and visitors were infected. The incubation period ranged from three to eight days. Only 13 patients were isolated on their dates of onset. Atypical presentation of SARS infection must be taken into consideration when managing patients with a history of contact with SARS patients. The main gap in the containment strategy in this outbreak was the failure to identify the index patient as someone who had been discharged from a ward in another hospital that managed probable SARS cases. Strict infection control measures, a good surveillance system, early introduction of isolation procedures, and vigilant healthcare professionals are essential for controlling outbreaks.

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          Author and article information

          Journal
          14726369
          318482
          10.1136/bmj.37939.465729.44

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