The mosquitoes in these areas tested positive for West Nile

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The Contra Costa Mosquito & Vector Control District is reporting seven chickens from the District's sentinel chicken flock on Holland Tract, near Knightsen have tested positive for antibodies against West Nile virus.

The latest data provided by the CDC, from July 10, shows no signs of West Nile at all in the state, but Alabama has already had cases of human infection and Florida has had non-human infections. "But with extensive aerial spraying, we have now knocked back mosquito numbers in Delaware". If it rains, the spraying may move to Wednesday.

The Mosquito and Termite Control Board will continue to take proactive measures to protect residents such as applying insecticides by truck (as weather permits) and applying larvicide to prevent mosquitoes from developing.

- Contra Costa County residents are being warned about the threat of West Nile virus after seven chickens tested positive on Holland Tract near the town of Knightsen.

More serious symptoms can occur in rare cases where serious infections develop in or around the brain, the news release states. During most years, evidence of WNV is first found upstate later in the season. "We are hoping this early virus detection does not foreshadow abnormal mosquito-borne disease activity later in the year".

Prevent mosquitoes from breeding by removing stagnant water from items around your property, such as tin cans, plastic containers, flower pots, discarded tires, roof gutters, and downspouts.

Dusk & Dawn: Limit outdoor activities during dusk and dawn when mosquitoes are most active.

The Centers for Disease Control and Prevention says most people infected with the virus do not develop symptoms, which include headache, body aches, joint pains or rash.

It's the time of year when both mosquitoes and tics thrive.

This is the third mosquito test in Highland Park to test positive for West Nile. If owners notice any of these signs in their horses, they should contact their veterinarian immediately.

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