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Mosquitos Carrying West Nile Virus Found In Northern Osceola

mosquito bites skin

The St. Joseph County Department of Health reported Friday that the West Nile Virus has been found in northern Osceola. 

There are no human cases so far, but health officials still recommend taking personal protective measures and taking measures to eliminate potential mosquito breeding grounds.


(Read the full release from the health department below.)

The St. Joseph County Department of Health has identified a pool of West Nile Virus positive mosquitoes in northern Osceola. St. Joseph County is one of 4 counties in Indiana where mosquitoes carrying West Nile Virus have been found this year to date. 


There have not been any human cases of West Nile Virus in Indiana this year to date. The St. Joseph County Department of Health encourages you to take the following steps to protect you and your family from mosquitoes: 

  • Avoid being outdoors during prime mosquito biting times - dusk to dawn - when possible.
  • Apply an EPA-registered insect repellent containing DEET, picaridin, IR3535, oil of lemon eucalyptus or para-methane-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.
  • Make sure all windows and doors have screens, and that all screens are in good repair.
  • Use mosquito netting when sleeping outdoors or in an unscreened structure. 

To reduce potential mosquito breeding grounds:

  • Discard old tires, tin cans, ceramic pots or other containers that can hold water (even a small bucket that has stagnant water in it for seven days can become home to up to 1,000 mosquitoes).
  • 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 (roof gutters are easily overlooked, but can produce millions of mosquitoes each season).
  • Frequently replace the water in pet bowls.
  • Flush ornamental fountains and birdbaths periodically, and aerate ornamental pools or stock them with predatory fish.
  • Turn over plastic wading pools when not in use (a wading pool becomes a mosquito producer if not used on a regular basis).
  • Remember - mosquitoes will develop in any puddle that lasts for more than four days!

For more information about West Nile Virus, go to the St. Joseph County Department of Health’s website or contact them at 574-235-9750, Ext. 4. 

Gemma DiCarlo came to Indiana by way of Athens, Georgia. She graduated from the University of Georgia in 2020 with a degree in Journalism and certificates in New Media and Sustainability. She has radio experience from her time as associate producer of Athens News Matters, the flagship public affairs program at WUGA-FM.