Health Officials Urge Precautions Against Mosquitoes Due To West Nile Virus Activity

Last updated on Friday, June 29, 2018

(INDIANAPOLIS) - State health officials are urging Indiana residents to take steps to protect themselves from mosquito bites as the state begins to see West Nile virus activity in mosquitoes.

As of June 27, mosquitoes in Elkhart County and Carroll County have tested positive for West Nile virus. No human cases of West Nile virus disease have been detected in 2018; however, the Indiana State Department of Health (ISDH) expects to continue to see increased West Nile activity throughout the state as the mosquito season progresses.

"We see cases of West Nile virus disease in Indiana every year," said State Health Commissioner Kris Box, MD, FACOG. "When we find evidence of the virus in multiple counties, that means the risk is starting to increase statewide. Hoosiers in every county should be taking precautions against mosquito-borne diseases."

State health officials recommend the following preventive measures:

Avoid being outdoors when mosquitoes are active (especially late afternoon, dusk to dawn and early morning);
Apply an EPA-registered insect repellent containing DEET, picaridin, IR3535, oil of lemon eucalyptus or para-menthane-diol to clothes and exposed skin;
Cover exposed skin by wearing a hat, long sleeves and long pants in places where mosquitoes are especially active, such as wooded areas;
Install or repair screens on windows and doors to keep mosquitoes out of the home.

Even a container as small as a bottle cap can become a mosquito breeding ground, so residents should take the following steps to eliminate potential breeding grounds:

Discard old tires, tin cans, ceramic pots or other containers that can hold water;
Repair failed septic systems;
Drill holes in the bottom of recycling containers left outdoors;
Keep grass cut short and shrubbery trimmed;
Clean clogged roof gutters, particularly if leaves tend to plug up the drains;
Frequently replace the water in pet bowls;
Flush ornamental fountains and birdbaths periodically;
Aerate ornamental pools, or stock them with predatory fish.

West Nile virus can cause West Nile fever, a mild form of the illness, which can include fever, headache, body aches, swollen lymph glands or a rash. Some people will develop a more severe form of the disease affecting the nervous system, including inflammation in the brain and spinal cord, muscle paralysis or even death. People who think they may have West Nile virus should see their healthcare provider.

To see the latest results of ISDH's mosquito surveillance, go to https://gis.in.gov/apps/ISDH/Arbo/. To learn more about West Nile virus, visit https://www.in.gov/isdh/.

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