Four Floridians have died from Vibrio vulnificus in 2025, with 11 infections reported in Bay, Broward, Hillsborough, and St. Johns counties as of July 11.

Tejal Somvanshi / karmactive Team

Cases have decreased from 2024's alarming 82 infections and 19 deaths, which surged after Hurricane Helene flooded coastal areas.

Photo Source: Janice Carr, USCDCP (CC0)

Vibrio vulnificus thrives in warm, brackish seawater and carries a shocking 20% fatality rate, killing one in five infected people within 1-2 days.

Photo Source: USFWS/Southeast (CC BY 2.0)

The bacteria enters through open wounds exposed to coastal waters or through consuming raw shellfish, particularly oysters.

Photo Source: USFWS/Southeast (CC BY 2.0)

Climate change has propelled Vibrio vulnificus northward at 48km yearly, with cases now appearing in Connecticut and New York where they were previously unknown.

Photo Source: USFWS/Southeast (CC BY 2.0)

People with liver disease, diabetes, or weakened immune systems face dramatically higher risks of infection and should wear foot protection at beaches.

Photo Credits: Mikhail Nilov (Pexels)

Prevention involves properly cooking seafood, covering wounds near water, and seeking immediate medical attention for symptoms, which can quickly progress to limb amputation.

Photo Source: Stocksnap (CC0)

Summer months (May-October) see 80% of infections when water temperatures peak, making August particularly dangerous for beachgoers and seafood consumers.

Photo Source: Microbe World (CC BY-NC-SA 2.0)

Maryland data reveals concerning trends with Vibrio vulnificus infections increasing 53% from 2006-2019, showing this threat extends beyond Florida.

Photo Source: Microbe World (CC BY-NC-SA 2.0)