The toxin is dormant in fish, but can be poisonous to humans. case being reported in late November.
Symptoms of ciguatera poisoning include nausea, vomiting, vertigo and joint pain. In the most serious cases, neurological problems can last for months or even years. Outbreaks have been confirmed in Washington, D.C. and St. Louis. case being reported in late November.
Overall, there have been at least 28 reported cases across the country, with the first case being reported in late November.
The fish linked to the illnesses were harvested near the Flower Garden Banks National Marine Sanctuary.