Reflections on SARS.
D002681:China / Q000453:epidemiology; D003140:Communicable Disease Control / Q000458:organization & administration*; D021821:Communicable Diseases, Emerging; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D011159:Population Surveillance / Q000379:methods*; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology* / Q000517:prevention & control*