Table 1.

Clinical Criteria for Severe Acute Respiratory Syndrome (SARS)

Stage	Criteria
Early	Two or more: fever (may be subjective), chills, rigors, myalgia, headache, diarrhea, sore throat, rhinorrhea
Mild-moderate	Temperature >38°C and cough, shortness of breath, or difficulty breathing
Severe	Pneumonia or acute respiratory distress syndrome (ARDS) or autopsy findings of either