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Flesh-eating bacteria has killed 5 in Louisiana this year, officials say

August 6, 2026 / 6:00 PM EDT / CBS News

Flesh-eating bacteria has killed 5 in Louisiana this year, officials say

TL;DR

  • Flesh-eating bacteria Vibrio vulnificus has caused at least five deaths and nine hospitalizations in Louisiana in 2026.
  • All patients contracted the bacteria through wounds exposed to seawater and had underlying health conditions.
  • This year's cases in Louisiana are significantly higher than the 10-year average of seven cases and one fatality per year.
  • Florida has also reported two deaths from Vibrio vulnificus this year and experienced higher infection rates after major storms.
  • Experts suggest rising water temperatures due to climate change are contributing to the risk and spread of Vibrio vulnificus, with the bacteria detected in New York's Long Island.
  • Vibrio vulnificus is the most serious species of Vibrio bacteria, with about one in five infected individuals dying from it.
  • Infections are common between May and October when ocean water is warmest, contracted through open wounds in seawater or consumption of raw/undercooked shellfish.
  • Symptoms can include fever, skin discoloration, drainage, pain, swelling, chills, low blood pressure, and gastrointestinal issues.
  • To avoid infection, people are advised to stay out of salt or brackish water, wash wounds after exposure, and thoroughly cook seafood.