Category Archives: West Nile

3 Tips to Reduce the Risk of Mosquitoes and West Nile Virus this Summer

Everyday, the employees of the Contra Costa Mosquito & Vector Control District work to protect public health in Contra Costa County. As summertime is prime time for mosquitoes, the main focus of our work right now is on reducing the risk … Continue reading

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How to Reduce the Risk of West Nile virus by Reporting Dead Birds

During the current pandemic, there are daily reports on the new things scientists are learning about the virus (SARS-CoV-2) that causes COVID-19 disease because COVID-19 is so new. Here in Contra Costa County, there is already a virus that is neither new … Continue reading

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Be A West Nile Watcher

Reduce the Risk of West Nile Virus–Be on the Lookout for Mosquitoes and Dead Birds   First come the hot days of summer, then the warm summer nights soon follow–and those warm nights actually increase the risk of West Nile virus … Continue reading

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14 Things to know About TICKS

Test your knowledge about ticks Ticks surpass all of the arthropods in the number and variety of diseases they can transmit to domestic animals. Only mosquitoes transmit more diseases to humans. Ticks are small arachnids. Although they’re commonly mistaken as … Continue reading

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Should I Worry About Mosquitoes in the Wintertime?

Mosquitoes are a year-round problem in Contra Costa County. Per Steve Schutz, Ph.D., scientific program manager and entomologist, “In the Bay Area we do see some level of mosquito activity year-round, and there are a few species that are primarily … Continue reading

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Rain Barrels, Gutters & Mosquitoes

With the recent rains, residents have been asking us about standing water and mosquitoes. A couple of common questions are, “Is it still mosquito season?” and, “Is there anything we need to do with the rainwater that’s filling our house … Continue reading

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Which Negelected Swimming Pool Can Produce More Mosquitoes?

A neglected swimming pool is only partially filled with water while another is completely full. Which one produces more mosquitoes? If you guessed the pool with more water produces more mosquitoes, you’d be in the majority.  Let’s be clear: both … Continue reading

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Should I Build a Bat House to Help Control Mosquitoes?

Bats eat mosquitoes, right? We do not recommend nor advise using bat houses and bats for mosquito control. Most importantly, bats can transmit rabies to people and animals. In California in 2015, 86 percent (198) of rabies cases were in … Continue reading

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How Many Mosquitofish do I Need to Control Mosquitoes on my Property?

And where do I get them? Mosquitofish are used throughout the world as an efficient, hearty predator of mosquitoes, and for good reason. They are biologically suited for feeding on insects that fall onto or reside at the water’s surface. … Continue reading

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Is it Safe to Eat Chickens and Eggs From Areas with West Nile Virus Activity?

Answer: Yes Rejoice! We can hear your applause all the way to our office. Chickens are completely safe to be around and consume and are not a threat from West Nile virus. And their eggs are safe as well. Here’s … Continue reading

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