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The Virginia Department of Health announced Friday that it has identified 38 human cases of West Nile virus this year, which is a record number. Data was as of October 1st.
Cases have been reported in several areas of Virginia.
"These cases are reminiscent of the mosquitoes that transmit WNV can be active until the end of October, here in Virginia, and we therefore advise the public to avoid mosquito bites until 39, at the first freeze, "said Health Commissioner Norman Oliver, a statement.
The Centers for Disease Control and Prevention website states that 8 out of 10 people infected with West Nile virus do not have symptoms. Most of them recover quickly, but weakness can persist for weeks or months. Less than 1% of those infected develop neurological diseases such as encephalitis or meningitis.
Deaths can happen, but they are rare. About 10% of people who contract a critical illness die, and these are usually people whose immune system is compromised by another health problem.
There is no specific treatment for West Nile and symptoms usually appear two to 15 days after exposure.
To avoid mosquito bites, follow these tips:
n Wear light colored trousers and long sleeves or simply stay indoors at dusk and dawn, when mosquitoes carrying West Nile are most likely to sting.
n Use an insect repellent containing DEET or an active ingredient registered with the EPA.
n Prevent mosquitoes from breeding on your property by projecting shallow puddles that can accumulate in places such as old tires, children's toys or flowerpots.
■ Treat large areas of water or difficult puddles with pellets of larvicide to prevent mosquito larvae from ripening.
n Keep mosquito nets on windows and doors to prevent mosquitoes from getting inside.
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