The McHenry County Department of Health is investigating after two people and an animal were exposed to a rabid bad in northwest suburban Cary.

The two individuals and animal were exposed on Thursday, marking the county's first case of human exposure this year, the Department of Health said in a Facebook post. The two people were receiving "post-exposure treatment," officials said.

According to the Illinois Department of Public Health, most recent cases of human rabies in the U.S. have been caused by rabid bats. While most bats don't have rabies, the following signs could indicate a bat is more likely to be infected than others:

Seen during the day

Found in a place where bats usually aren't present (For example - a room in your home, on your lawn)

Unable to fly

People usually know

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