Indiana health officials haven't said where the person lived. Indiana has seven confirmed human cases of the mosquito-borne virus in six counties, mainly in the south and south central part of the state.
The first human case of West Nile Virus since 2010 was diagnosed in north suburban Lake County, Ill. An 68-year-old man in Buffalo Grove tested positive for West Nile encephalitis. He is now out of the hospital.
So far this year, 43 states have reported the virus in people, birds or mosquitoes. More than 80-percent of the cases are in six states: Texas, California, Mississippi, Louisiana, Oklahoma and South Dakota. Some people have no symptoms of the virus, but in other cases West Nile creates flu-like symptoms and can be fatal.
"It feels like somebody has lodged an axe in my brain. Just about the time I think I'm out of the woods, then something else comes along, and we have to fight that, too," Katharyn DeVille, West Nile patient, said.
Nationwide, the CDC reports 693 cases so far this year -- 26 of them fatal.
Controversial aerial spraying is set to begin in and around Dallas as early as tonight, the first time they've done that since 1966. Texas is said to be ground zero for this summer's outbreak.