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By Faye James
US news reporter
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The Food and Drug Administration (FDA) has raised the reported case count in an ongoing Salmonella Javiana investigation from 59 to 65. The outbreak remains active, and the agency has not identified a food linked to the illnesses.
The FDA’s investigation table says it has started tracing the supply chain, but it does not list the states where patients live or how many have been hospitalized. It also shows no recall, inspection or food sampling for this investigation so far.
Newsweek has reached out to the FDA for comment via email outside office hours.
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Where Have Cases Been Reported?
The FDA’s public listing does not provide a state-by-state breakdown for this outbreak. It also does not include patients’ ages, illness onset dates or hospitalization figures. Those details have not been made public on the agency’s investigation page.
The case count may change as health officials identify and confirm more infections. In a separate foodborne outbreak investigation timeline, the Centers for Disease Control and Prevention (CDC) says it can take three to four weeks to determine whether an illness is connected to an outbreak.
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What Food Is the FDA Tracing?
The FDA lists the food source as “not yet identified” and says traceback has begun. Traceback is used to follow where a food may have come from and how it moved through the supply chain. The agency has not named a product, brand, retailer or supplier in this investigation.
The new investigation is separate from an earlier Salmonella Javiana outbreak linked to jalapeño peppers. That outbreak ended in October after health officials linked illnesses to peppers from Sinaloa, Mexico, distributed by Coast Citrus Distributors. The CDC’s final figures for that separate outbreak were 488 cases in 34 states, 65 hospitalizations and no deaths. The shared Salmonella strain name does not establish a link between the two investigations.
How Investigators Connect Salmonella Cases
Salmonella outbreaks are often detected when laboratories find infections with a matching genetic fingerprint. The CDC’s PulseNet network compares the DNA fingerprints of bacteria from patients across the country. When a cluster of closely related infections is detected, health officials interview patients about food and other exposures to look for common links.
Those interviews can help identify a food or location for further investigation, but investigators need to assess the evidence as a whole. A shared meal, restaurant or ingredient may point them toward a hypothesis; supply-chain records and laboratory findings can help test it. The FDA says an investigation of a food does not mean that it has been determined to be the outbreak source.
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What Are Salmonella Symptoms?
Salmonella infection can cause diarrhea, fever and stomach cramps. Symptoms usually begin six hours to six days after infection and typically last four to seven days, according to the CDC.
The FDA advises people who believe they may have become ill from food to contact a health care provider and public health officials. The agency says consumers should follow its investigation updates for any specific food-safety steps, since it issues public health advisories when an investigation identifies actionable guidance.
Foodborne Illness Investigations Have Spanned the U.S. This Year
The new Salmonella investigation comes amid a year of food-safety alerts involving several pathogens and a range of products, from lettuce and eggs to soft cheese, sprouts and infant formula. The FDA’s 2026 advisory list includes investigations involving Cyclospora, Listeria, Salmonella, E. coli and infant botulism.
Cyclospora drew particular attention after a large outbreak linked to iceberg lettuce. The CDC’s final update counted 12,883 cases across 21 states, 570 hospitalizations and two deaths. The agency said the outbreak was over, though the FDA continued investigating how the lettuce became contaminated. CDC surveillance data for the broader 2026 Cyclospora season counted 20,996 laboratory-confirmed U.S.-acquired cases, compared with 1,180 during the same period in 2025. The seasonal figure includes cases not linked to the iceberg-lettuce outbreak.
Listeria investigations have also involved different foods and outcomes. A multistate outbreak linked to prepared pasta meals was associated with 28 reported illnesses, 27 hospitalizations and seven deaths; the CDC said the illnesses began between August 2024 and November 2025. A separate investigation linked Listeria infections to requeson, a soft cheese: 15 people in four states were reported sick, 14 were hospitalized and one died.
Other investigations have involved Salmonella in shell eggs, E. coli in frozen blueberries and raw-milk cheese, and botulism associated with powdered infant formula. The egg outbreak ended with 134 cases across 18 states and 34 hospitalizations.
The number of alerts does not mean every investigation has identified a contaminated product or resulted in a recall. The CDC said that, as of October 28, it was coordinating 17 to 40 multistate foodborne-illness investigations in a typical week, and that not all investigations lead to public outbreak notices. The agency’s snapshot that week listed active investigations involving Salmonella, E. coli, Listeria and Campylobacter.
Contact Newsweek editors on this story: John Fitzpatrick and Emma Lee-Sang
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