title: Outbreak of severe acute respiratory syndrome--worldwide, 2003.
abstract: Since late February 2003, CDC has been supporting the World Health Organization (WHO) in the investigation of a multicountry outbreak of atypical pneumonia of unknown etiology. The illness is being referred to as severe acute respiratory syndrome (SARS). This report describes the scope of the outbreak, preliminary case definition, and interim infection control guidance for the United States.
mesh_terms: D002170:Canada / Q000453:epidemiology; D002681:China / Q000453:epidemiology; D021821:Communicable Diseases, Emerging / Q000175:diagnosis / Q000453:epidemiology*; D004196:Disease Outbreaks; D004417:Dyspnea; D005334:Fever; D014943:Global Health; D006801:Humans; D011014:Pneumonia; D045169:Severe Acute Respiratory Syndrome / Q000175:diagnosis / Q000453:epidemiology*; D012846:Singapore / Q000453:epidemiology; D013624:Taiwan / Q000453:epidemiology; D014481:United States / Q000453:epidemiology; D014744:Vietnam / Q000453:epidemiology