One of the victims refused the vaccine while the other two deaths did not receive treatment since they believed the bat bite didn't break their skin.
Although the man didn't think he had been bitten or scratched, he did come into close contact with an infected bat, authorities said.
The child from Medina County was bitten by a bat, which is one of many potential carriers of the virus.
"Rabies has the highest mortality rate of any disease," Dr. Ngozi Ezike from the Illinois Department of Public Health said.
A colony of bats was later discovered in the man's Illinois home, and he refused treatment despite the warnings.
Footage of the bizarre up-close animal encounter has been watched more than 4 million times on TikTok.
Would you dare to visit the longest walk-through horror house in the world which is set in an old cave with 30,000 live bats flying about?
The video documented the bats beginning their nightly flight out of the building, and has been viewed over six million times.
The journey by the female Nathusius' pipistrelle bat, which weighed eight grams and was the size of a human thumb, was described as "remarkable."
The footage, said to have been taken from inside a Wuhan lab, was unearthed by a team of self-described "underground detectives" who say they are dedicated to exposing the origins of COVID-19.
Tova Ferris told Newsweek she had never seen "anything like this" before.
"Could a Chinese lab worker have gotten infected or inadvertent leakage have touched off the outbreak in Wuhan?" the Washington Post editorial board asked.
I have worked with bats in disease hotspots in Southeast Asia, Western Asia, and Eastern Africa. These hotspots can facilitate the transmission of a pathogen into humans, potentially sparking the next pandemic.
Rabies is a fatal but preventable viral disease that infects the central nervous system of mammals.
"People were routinely exposed to bats through guano harvesting, religious practices, and ecotourism," the authors wrote in the study.
Both species have been linked to the Sars-CoV-2 virus.
These long-term cooperative relationships between unrelated bats appear to be similar in form and function to human friendships.
Robber crabs—also known as coconut crabs—are the largest terrestrial invertebrates in the world
Populations appeared to benefit from the flames or, more specifically, the conditions they created.
The flying mammals can survive on a meal that almost no other mammal can.
The flight speed of these bats has posed difficulties for researchers wishing to study them.
"I still have her photo in my wallet."
eBay has hundreds of listings for taxidermy bats, and Etsy has nearly a thousand.