Division Clinical criteria

Any person with fever or a history of fever

AND

At least one of the following three:

• Cough

• Difficulty in breathing

• Shortness of breath

AND

At least one of the following four:

• Radiographic evidence of pneumonia

• Radiographic evidence of acute respiratory distress syndrome

• Autopsy findings of pneumonia

• Autopsy findings of acute respiratory distress syndrome

AND

No alternative diagnosis which can fully explain the illness