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The Florida Department of Health reported that, so far in 2025, 16 cases of infections from the flesh-eating bacteria Vibrio vulnificus have been recorded in 12 counties across the state, making Florida the second region with the highest number of infections nationwide, following Louisiana.
The health authorities reported that the bacteria, found in warm marine waters, has caused the deaths of five people, including one in Broward County.
The other deaths occurred in St. Johns, Hillsborough, and Bay. The associated symptoms include watery diarrhea, stomach cramps, nausea, vomiting, fever, and chills.
The Centers for Disease Control and Prevention (CDC) warned about the risk of consuming raw seafood and exposing open wounds to saltwater or brackish water, particularly in areas where rivers mix with the sea.
Nationwide, at least 60 cases have been reported, with Louisiana at the top of the list with 17.
Authorities recommend preventive measures such as avoiding cross-contamination with raw seafood, washing hands after handling them, using protective gloves if there is a higher risk of infection, and covering wounds with waterproof bandages before engaging in water activities.
The risk can also increase following hurricanes or storm surges that cause coastal flooding.
Vibrio vulnificus is a bacterium found in marine environments, especially in warm, shallow waters.
It can enter the body through open wounds or by consuming contaminated raw seafood, such as oysters.
Infectious disease specialists warn that individuals with weakened immune systems or chronic illnesses, such as diabetes or liver conditions, are at a higher risk of developing serious complications.
Although cases of Vibrio vulnificus are not new in Florida, the lethality and concentration of infections in just half a year have raised concerns among health authorities.
With rising temperatures and an influx of tourists to coastal areas, experts emphasize the importance of maintaining precautionary measures during the peak season.
Frequently Asked Questions about the Flesh-Eating Bacteria Vibrio vulnificus in Florida
How many cases of Vibrio vulnificus have been reported in Florida in 2025?
So far in 2025, 16 cases of infections caused by Vibrio vulnificus have been reported in Florida, spread across 12 counties in the state. Authorities have confirmed that these infections have resulted in the deaths of five individuals.
What are the main symptoms of Vibrio vulnificus infection?
The common symptoms of Vibrio vulnificus infection include watery diarrhea, abdominal cramps, nausea, vomiting, fever, and chills. In severe cases, it can cause sepsis and tissue necrosis, which can lead to amputations or even death if not treated promptly.
How is the Vibrio vulnificus bacteria transmitted?
The bacterium Vibrio vulnificus is primarily transmitted through contact of open wounds with saltwater or brackish water and by consuming contaminated raw seafood, especially oysters. It is not transmitted from person to person, but it can be extremely dangerous for individuals with compromised immune systems.
What preventive measures do authorities recommend to avoid contamination by Vibrio vulnificus?
Authorities recommend avoiding swimming with open wounds in salt or brackish waters, not consuming raw or undercooked seafood, and thoroughly washing hands after handling raw seafood. They also suggest using waterproof bandages to cover wounds before engaging in water activities and taking extra precautions after hurricanes that may cause coastal flooding.
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