At least eight people have died across the Gulf Coast this year from infections caused by Vibrio vulnificus, a potentially deadly "flesh-eating" bacteria that thrives in warm coastal waters.

More than 55 confirmed cases of Vibrio vulnificus have been reported in the United States so far in 2025, primarily in Louisiana, Florida and North Carolina.

The bacteria can spread to humans by entering open wounds exposed to contaminated seawater or the consumption of raw or undercooked shellfish, such as oysters.

Infection with Vibrio vulnificus bacteria, called vibriosis , can range from mild to severe and lead to life-threatening complications.

A growing number of cases among swimmers in the Gulf of Mexico has some experts concerned about an increased risk of exposure to the bacteria during

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