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West Nile Virus and How to Identify, Avoid, and Treat It

Outbreak

Here is what you need to know about the mosquito-borne virus terrorizing Texas. Nina Strochlic explains.

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LM Otero / AP Photo

How does it transmit?

West Nile Virus is an infectious disease spread by mosquitoes that have fed on infected birds. The virus is then transmitted from the mosquito to humans or animals it bites.

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