Ciguatera Fish Poisoning is a foodborne illness caused by eating fish contaminated with *ciguatoxins*. These toxins are produced by microscopic marine algae (*Gambierdiscus toxicus*) and accumulate in reef fish, primarily affecting consumers in tropical and subtropical regions. It is not contagious between people. Track Ciguatera Fish Poisoning activity and outbreaks specific to Missouri.
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Ciguatera has been recognized for centuries by indigenous island populations, with early European accounts dating back to Captain Cook's voyages in the 18th century. The causative *ciguatoxins* were chemically identified in the mid-20th century, confirming the link between specific algal blooms and human illness. It remains a significant public health issue in tropical coastal areas.
Ciguatera Fish Poisoning is transmitted exclusively through the consumption of contaminated fish. Microscopic marine algae (dinoflagellates) produce *ciguatoxins*, which are then eaten by herbivorous fish and bioaccumulate up the food chain to larger, predatory reef fish. Humans become ill after eating these toxic fish; it does not spread person-to-person.
Contagious Period: Varies by disease
Local health department information and state-specific prevention guidance
Our AI-powered surveillance continuously monitors Ciguatera Fish Poisoning activity across Missouri. We track data from state health departments, local hospitals, CDC reports, and 50+ global health sources to provide early warning of emerging threats.
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For official state health alerts, vaccination locations, and public health guidance specific to Missouri, visit your state health department's website.
Whether you live in Missouri, are traveling there, or have family in the state, understanding Ciguatera Fish Poisoning prevention is essential. Follow these evidence-based prevention measures:
If you experience symptoms of Ciguatera Fish Poisoning in Missouri, contact your healthcare provider immediately. Early diagnosis and treatment improve outcomes significantly.
Emergency symptoms: If you experience severe symptoms, difficulty breathing, or signs of dehydration, call 911 or go to your nearest emergency room.
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Global disease surveillance and guidelines from the World Health Organization
View WHO Resources →Disease information on Virus Watcher is reviewed by our Chief Epidemiologist, a former CDC lead analyst for FluSight forecasting. Outbreak data is aggregated from verified sources including BEACON, ProMED, WHO, CDC, and 50+ national health agencies. This information is for educational purposes and should not replace professional medical advice.
Last reviewed: 2026-06-03
No confirmed cases reported in Missouri yet. Here are the latest Ciguatera Fish Poisoning reports from our global surveillance network.
As of 03 Mar 2026, Vanuatu is experiencing a ciguatera fish poisoning outbreak with 44 cases across six islands in six weeks, exceeding the national alert threshold. Environmental conditions, including elevated sea temperatures and reef ecosystem disturbance, are driving growth o…
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