The Knox County Health Department has reported that a seven-year-old Mount Vernon child has been diagnosed with LaCrosse virus, a rare and dangerous illness that is transmitted through the bite from an infected mosquito.

The mosquito in question is the eastern treehole mosquito, an aggressive daytime- biting mosquito commonly found in wooded areas. This particular mosquito is known for laying its eggs in the holes of trees where water collects as well as other water collection sites. (read more)