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Dead birds in Atherton, Redwood City test positive for West Nile virus

 

By Bay City News Service

Two dead American crows – one found in Atherton and another in Redwood City – tested positive Wednesday for the West Nile virus, San Mateo County Mosquito and Vector Control District officials said July 7.

District officials will start collecting mosquitoes in the area where the birds were found and have them tested for the virus. The results will be available next week.

If the mosquitoes test positive, then the district will spray to reduce the risk of transmission of the virus to residents, according to Megan Caldwell, the district's public health education and outreach officer.

People can get the virus by being bitten by an infected mosquito but someone cannot transmit the virus to another person.

Four other area counties – Contra Costa, Marin, Santa Clara, Solano and Santa Cruz – have reported dead birds that tested positive for the virus, according to the state's West Nile virus website at westnile.ca.gov.

San Mateo County vector control district officials said the risk of residents getting the disease is low, but they are encouraging residents to report any dead birds or dead squirrels to the California West Nile virus hotline at westnile.ca.gov or by calling (877) WNV-BIRD (968-2473).

To reduce the risk of getting bitten by a mosquito, district officials suggest draining all sources of standing water since mosquitoes lay their eggs in standing water.

They also suggest wearing clothing and repellent when outside at dawn and dusk, the times mosquitoes that transmit the virus are most likely to bite, and to use repellent containing DEET, picaridin, oil of lemon eucalyptus or IR3535.

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