November 24, 2005 (Press Release) --
What is yellow fever?
Yellow fever is a tropical disease that is spread to humans by infected mosquitoes.
What is the infectious agent that causes yellow fever?
Yellow fever is caused by the yellow fever virus.
Yellow fever is a tropical disease that is spread to humans by infected mosquitoes.
What is the infectious agent that causes yellow fever?
Yellow fever is caused by the yellow fever virus.

Yellow fever is a tropical disease that is spread to humans by infected mosquitoes.
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