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Fresno spraying for mosquitoes that carry West Nile virus

Swarms of mosquito larvae are seen in close-up in water collected from green, algae-laden pool water by representatives of the Fresno Mosquito and Vector Control District, in April 2014.
Swarms of mosquito larvae are seen in close-up in water collected from green, algae-laden pool water by representatives of the Fresno Mosquito and Vector Control District, in April 2014. Fresno Bee Staff Photo

The Fresno Mosquito and Vector Control District will be spraying for mosquitoes in three areas of the city Wednesday night.

The spraying is to reduce mosquitoes that can carry West Nile virus, said District Manager Tim Phillips.

The spraying will be done between 10 p.m. and midnight, weather permitting, in the areas bordered by Browning, Barstow, Fruit and West avenues; Barstow, Bullard, Pleasant and Marks avenues; McKinley, Cornelia, Polk and just north of Cotton avenues.

The spraying will be done from trucks. The spray cloud should move through the area and disperse downwind, Phillips said. Residents may want to go indoors and close windows and screened doors during the spraying and wait at least 30 minutes before reopening doors and windows. Residents can move pet dishes and children’s toys indoors, but it is not necessary, he said, because the amount of residue from the spraying should not be appreciable.

The spraying is necessary due to a rapid increase in West Nile, Phillips said. Last week, evidence of West Nile virus was found in five mosquito traps in the city.

Health officials are asking residents to eliminate any water sources, including small containers, where mosquitoes can lay eggs. They also encourage residents to use insect repellents when outdoors during dusk and evening when mosquitoes that can carry West Nile virus are biting. Mosquito season also means increased activity of the Aedes aegypti mosquito, which bites during the day and can spread Zika virus.

Information about the Fresno mosquito spraying and maps of areas to be sprayed are available on the district’s website or at 559-268-6565. Information about mosquito-borne illnesses, including West Nile virus, is available at the Fresno County Department of Public Health website.

Barbara Anderson: 559-441-6310, @beehealthwriter

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