West Nile Virus Has Returned to California in 2018

An image of several flying mosquitoes potential vectors of West Nile virus

West Nile Virus Has Returned to California in 2018

In addition, the first collection of mosquitoes infected with the virus of the 2018 season was also reported. With no known vaccine or cure for humans, Curry said preventing mosquito bites is the best defence. Although 8 out of 10 individuals who become infected with WNV experience no symptoms, 1 in 5 will experience febrile illness symptoms, including headache, body aches, vomiting, diarrhea, and rash, with fatigue potentially lasting for weeks.

Most people get infected with West Nile virus by the bite of an infected mosquito.

"Since West Nile virus is here there is definitely a risk, and people should practice preventive measures when doing outdoor activities", says Walla Walla County Department of Community Health Manager Kevin Tureman. People who think they may have West Nile virus should see their health care provider.

City officials request residents remove or chemically treat standing water with larvicide in and around their properties, including catch basins and drains.

Defend yourself against mosquitoes by using an insect repellent. The risk is low right now because the culex tarsalis mosquito has been detected, and the risk will jump to moderate when the virus itself is detected.

Visit www.oakgov.com/health for more information.

Dress in long sleeves and long trousers when outdoors.

"Particularly in the evening or at night - that's when all mosquitoes are most active".

Health department officials trap at one location only, Beerman said. Wear long-sleeved shirts and long trousers and use bug repellent with an active ingredient of DEET or picaridin.

Install or fix screens on windows and doors to keep mosquitoes out of the home.

"The findings from our mosquito surveillance and the early West Nile virus case serve as vital reminders that mosquito season is here and that all New Yorkers should take precautions to protect themselves and their families from mosquito bites", said Health Commissioner Dr. Mary T. Bassett.

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