State wildlife officials are becoming more worried about a deadly deer disease slowly making its way toward Indiana.
It's called chronic wasting disease and it's an infection similar to mad cow disease that eats away at the brain.
The disease has yet to show up in the state, but experts say it's not a matter of 'if' but 'when.'
They're taking a close look at the Illinois-Indiana border.
They say that's where deer with chronic wasting disease are closest.
Scientists fear that CWD could be transmitted to humans.
Some researchers believe it may have already happened.
"While there's never been any documented transmission to humans, there is some new evidence that shows that at least we should be a little more concerned," said Dr. Joe Caudell, State Deer Research Biologist.
State deer biologists say hunters can help them catch the disease early and slow its spread across the state.
They encourage hunters to bring them samples for testing as much as possible.
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