Vibriosis is a bacterial infection caused by various species of *Vibrio* bacteria. These bacteria are naturally found in warm coastal waters and can cause illness in humans who consume contaminated seafood or expose open wounds to brackish or saltwater. It can lead to gastrointestinal issues, wound infections, or severe bloodstream infections. Track Vibriosis activity and outbreaks specific to Illinois.
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*Vibrio* bacteria, especially *Vibrio cholerae*, have been recognized for centuries as the cause of cholera pandemics, profoundly impacting global public health. The understanding of other *Vibrio* species causing human illness, like *V. parahaemolyticus* (common foodborne pathogen) and *V. vulnificus* (severe wound infections), expanded significantly in the 20th century with advancements in microbiology and diagnostics.
Vibriosis primarily spreads through the consumption of raw or undercooked seafood, particularly shellfish like oysters, contaminated with *Vibrio* bacteria. It can also be transmitted when open wounds or broken skin are exposed to brackish or saltwater containing these bacteria. Person-to-person transmission is extremely rare for most *Vibrio* species, with the exception of *Vibrio cholerae* in epidemic settings.
Contagious Period: Varies by disease
Local health department information and state-specific prevention guidance
Our AI-powered surveillance continuously monitors Vibriosis activity across Illinois. We track data from state health departments, local hospitals, CDC reports, and 50+ global health sources to provide early warning of emerging threats.
Get instant push notifications when Vibriosis activity increases in Illinois or your specific county.
For official state health alerts, vaccination locations, and public health guidance specific to Illinois, visit your state health department's website.
Whether you live in Illinois, are traveling there, or have family in the state, understanding Vibriosis prevention is essential. Follow these evidence-based prevention measures:
If you experience symptoms of Vibriosis in Illinois, 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.
Trusted information from leading health organizations
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
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