David LuckenbaughEdward RensimerFrederick County Division of Animal ControlJohns Hopkins HospitalThe Washington PostMeritus Medical Center

Rabid beavers attack visitors at Maryland state park; officials close water access while searching for other infected animals

Two rabid beavers attacked visitors at Cunningham Falls State Park in Maryland, injuring a 13-year-old boy and a 19-year-old man. Officials have closed water access while searching for other infected animals, as both beavers were euthanized after testing positive for rabies, a rare occurrence in beavers.

The Daily Beast The Daily Beast9 August 2026 · 16:47 UTC
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Two rabid beavers attacked visitors at Cunningham Falls State Park in Maryland, leading to a closure of water access as officials search for other infected animals. A 13-year-old boy was injured while swimming on July 26, requiring airlift to Johns Hopkins Hospital for treatment.12

On Wednesday, a 19-year-old man was bitten while fishing and treated for rabies exposure at Meritus Medical Center. David Luckenbaugh, director of the Frederick County Division of Animal Control, described the situation as a “human health emergency” to The Washington Post.3678

Both beavers were later euthanized and tested positive for rabies, a disease that is fatal without prompt treatment. Edward Rensimer, an infectious diseases physician, noted that treatment is “a virtually 100 percent effective strategy” when administered in time. The park has since closed all water access, including swimming, fishing, and boating, to ensure public safety.5

Last year, Frederick County reported 38 animals testing positive for rabies, but none were beavers, making this incident particularly alarming.9

Key Insight
“The first victim, a 13-year-old boy, was airlifted to Johns Hopkins Hospital after being bitten on July 26; the second, a 19-year-old fisherman, drove himself to Meritus Medical Center. Both beavers tested positive for rabies and were euthanized, and officials call the situation a "human health emergency."”
CuriousCats studied:
1
The Daily BeastThe Daily Beast
“Two rabid beavers attacked visitors at a Maryland state park in less than two weeks, prompting officials to shut down access to the water while they search for other infected animals.”
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