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Health officials urge precautions against mosquitoes due to West Nile virus activity

State health officials have confirmed the presence of West Nile virus in mosquitoes in two counties and are urging Hoosiers to take steps to protect themselves from the insects and the diseases they can carry.

 

As of July 1, mosquitoes in Elkhart and Clark counties have tested positive for West Nile virus. No human cases of West Nile virus disease have been detected so far in 2019; however, the Indiana State Department of Health (ISDH) expects to see increased West Nile activity throughout the state as the season progresses.

 

“Each year, we see people become ill as a result of mosquito bites,” 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. It only takes one bite from an infected mosquito to cause a severe illness, so Hoosiers in every county should be taking precautions.”

 

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 www.in.gov/isdh/23592.htm.

 

For important health updates, visit www.StateHealth.in.gov or follow the Indiana State Department of Health on Twitter at @StateHealthIN and on Facebook at www.facebook.com/isdh1

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