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	NARRATOR: Usually within 1 to 3 weeks, but possibly as long as 6 weeks, early symptoms develop. The infected person usually has a fever, headache and severe muscle aches. And they might develop stomach problems, dizziness or chills.
	About 4-5 days later the lungs fill up with fluid and the patient feels short of breath. Then they get extremely ill and could possibly die.
	The disease stops at the person who is infected. In other words, it is not transmitted from one person to another.

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This page last reviewed February 28, 2000.

Centers for Disease Control and Prevention
National Center for Infectious Diseases
Division of Viral and Rickettsial Diseases
Special Pathogens Branch