West Nile Virus

Deviant gene may up risk

Published in TB and Outbreaks Week, September 17th, 2002

Only about one in five people infected with the West Nile virus develop a severe, life-threatening illness. A study in mice suggests a gene variation may be the reason some become very sick from the mosquito-borne virus, while others recover easily.

Experts said the research is an important step toward finding a drug to treat West Nile, a virus that has been blamed for 28 deaths in the United States this year. The Centers for Disease Control and Prevention reported Saturday there have been at least 555 human cases of the disease this year.

West Nile is carried by mosquitos whose bite can spread the virus to birds, horses and humans. So far this...

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Source: TB and Outbreaks Week (2002-09-17)

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