Virus Watcher monitors Listeria, Salmonella, E. coli, Campylobacter, and norovirus outbreaks in real time. When a foodborne illness cluster is confirmed, we surface it before it makes the news.
Source data: FDA, CDC, and USDA FSIS. Updated as investigations progress.
June 2026
FDA investigation of Listeria monocytogenes in requeson and soft cheese products. Recall expanded to cover all products from the implicated facility. Listeria can cause severe illness in pregnant women, newborns, older adults, and immunocompromised individuals.
Data from FDA
California, May 2026
STEC O157:H7 outbreak linked to beef kofta at multiple locations of a California restaurant chain. Nine confirmed cases. Illness onset range March through April 2026.
Data from CDC
Ongoing
CDC tracking 14 active Salmonella outbreak investigations across multiple food vehicles including poultry, fresh produce, and processed foods. Check the FDA and USDA FSIS recall databases for current implicated products.
Data from CDC / USDA FSIS
Track real-time outbreak reports for the most common causes of food poisoning in the United States.
Leading cause of serious foodborne illness. Linked to poultry, eggs, and fresh produce.
High fatality rate. Survives refrigeration. Linked to deli meats, soft cheeses, and ready-to-eat foods.
O157:H7 strain linked to ground beef and leafy greens. Can cause hemolytic uremic syndrome.
Most common cause of foodborne illness. Spread through contaminated food, surfaces, and person-to-person contact.
Linked to raw or undercooked poultry. Leading cause of bacterial diarrheal illness.
Rare but life-threatening. Linked to improperly canned or preserved foods.
Spread through contaminated food and water. Vaccine-preventable.
Linked to raw or undercooked shellfish. Highest risk in summer months.
Symptoms typically appear 6 to 48 hours after eating contaminated food. Listeria symptoms may take up to 70 days to appear.
Seek emergency care or call your doctor if you experience any of the following:
FDA recall database, CDC outbreak investigations, USDA FSIS alerts, and WHO foodborne illness reports are all integrated into a single tracking feed.
Disease reports are tracked within hours of publication. Outbreak clusters are identified before official investigations are complete.
Get notified when a new foodborne illness outbreak is confirmed in your region. Available on iOS, Android, and web.
Common questions about food safety and foodborne illness outbreaks in 2026.
In 2026, active investigations include a Listeria outbreak linked to soft cheese products (June 2026), an E. coli O157:H7 outbreak linked to a restaurant chain in California, and 14 active Salmonella investigations across multiple food products. Virus Watcher tracks foodborne illness reports alongside official FDA and CDC outbreak data.
The FDA and USDA FSIS issue food recalls when contamination is confirmed. Virus Watcher monitors foodborne illness outbreaks including Listeria, Salmonella, E. coli, and Campylobacter in real time. Check the FDA recall database and Virus Watcher for current outbreak status.
Salmonella (14 active CDC investigations as of June 2026), Listeria (3 active investigations), and E. coli (3 active investigations) are the leading causes of serious foodborne illness in the US in 2026. Norovirus causes the most total cases but is less commonly tied to specific recalls.
Foodborne pathogens spread through contaminated produce, undercooked meat and eggs, unpasteurized dairy, and cross-contamination in food preparation. Listeria can survive refrigeration. Salmonella is commonly found in poultry, eggs, and fresh produce. E. coli O157:H7 is linked to ground beef and leafy greens.
Common symptoms include nausea, vomiting, diarrhea, stomach cramps, and fever, typically appearing 6 to 48 hours after eating contaminated food. Listeria symptoms can appear up to 70 days after exposure and may include severe headache, stiff neck, and confusion. Seek emergency care if you experience bloody stools, signs of severe dehydration, or neurological symptoms.
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