3 dead crows found in North Hills test positive for West Nile virus

CBS News Los Angeles: The Rundown (June 6 AM Edition)

West Nile virus has been confirmed in Los Angeles County for the first time this year, authorities said Monday.

The virus was detected in three dead crows collected in the North Hills area on May 26, according to the Los Angeles County Vector Control District. Mosquito samples had not tested positive for the virus in Los Angeles County yet.

"American crows can fly up to 40 miles each day from overnight roosting sites, so while there has not yet been virus activity detected in mosquito populations in Los Angeles County, this confirmation serves as an alert that mosquitos may soon become infected, and residents should take precautions," Steve Vetrone, director of Scientific-Technical Services, said in a statement.

There is no human vaccine for West Nile virus, which is usually transmitted via mosquito bite. Symptoms of West Nile include fever, headache, body aches, nausea, or skin rash that can last for several days to months. One of 150 people will require hospitalization, and severe symptoms include coma, paralysis, and death, authorities said.

Los Angeles County residents can wear insect repellent containing DEET, Picaridin, IR3535, or oil of lemon eucalyptus to ward off mosquito bites. They can also reduce the threat of West Nile by eliminating standing water, properly maintain pool, spa, and pond water; request mosquitofish to place in ornamental ponds, and report neglected swimming pools to their local vector control district.

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