Breaking: Salmonella Outbreak Linked to Raw Oysters Expands Across 22 States, CDC Says
Table of Contents
A salmonella outbreak tied to raw oysters has been identified in 22 states, currently totaling 64 confirmed cases. At least 20 people have required hospitalization, and there have been no reported deaths.
Symptoms And Treatment
Where The Outbreak Is Hit
The 22 affected states are: Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kentucky, Maine, Maryland, Massachusetts, Missouri, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, and Virginia.
Sequelae And Carriers
A portion of individuals can shed the bacteria in feces for months to a year after recovery, potentially spreading infection even without symptoms. This makes vigilance especially vital for food handlers and those in food service.
Key Facts At A Glance
| Fact | Details |
|---|---|
| Total cases | 64 confirmed across 22 states |
| Hospitalizations | At least 20 |
| Timeframe of infections | June 21 to November 28, 2025 |
| States affected | Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, illinois, Kentucky, Maine, Maryland, Massachusetts, Missouri, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Virginia |
What You Should Know
Disclaimer: This information is intended for general awareness and should not replace medical advice. If you suspect salmonella infection, contact a healthcare professional promptly.
Evergreen Insights
Readers, your experiences matter. Have you changed how you source or prepare shellfish after hearing about this outbreak? Do you have questions for health officials about safe oyster consumption?
engagement
What steps are you taking to protect yourself and your family when dining out or shopping for seafood? Have you or someone you know been affected by this outbreak?
Share your thoughts in the comments and stay informed by following official health updates.
End of update.
>
Outbreak Overview: Raw Oysters and salmonella
the Centers for Disease Control and Prevention (CDC) confirmed a multistate salmonella outbreak on December 24 2025, tracing the source to raw, commercially harvested oysters. As of the latest update (02:30 AM UTC, 12/26/2025), 64 individuals across 22 states have tested positive for Salmonella Enteritidis, with 20 requiring hospital care.
Geographic Spread: 22 States Affected
| Region | States Reporting Cases |
|---|---|
| Northeast | New York, New Jersey, pennsylvania, Vermont |
| Mid‑Atlantic | Maryland, Delaware, Washington DC |
| Southeast | Florida, Georgia, South Carolina, North Carolina |
| Midwest | Ohio, Indiana, Illinois, Michigan |
| Southwest | texas, Arizona, New Mexico |
| West | California, Oregon, Washington |
*Numbers reflect at least one confirmed case per state; several states report multiple cases.
Case Statistics: 64 Confirmed Infections, 20 Hospitalizations
- Confirmed cases: 64 (laboratory‑confirmed *Salmonella Enteritidis)
- Hospitalizations: 20 (≈ 31 % of cases)
- Deaths: 0 (no fatalities reported to date)
- Age distribution: 12 % under 5 years, 58 % adults 18-65, 30 % seniors 65+
Timeline of the Outbreak
- December 12 2025: First cluster of gastrointestinal illness reported in coastal Maine.
- december 15 2025: state health labs identify Salmonella Enteritidis in stool samples; CDC initiates investigation.
- December 18 2025: FDA traces contaminated oysters to three major distributors in new england.
- December 22 2025: Recall issued for “Harvest‑2025” raw oyster lots from Pacific northwest farms.
- December 24 2025: CDC announces national outbreak alert; 22 states on the watch list.
How Salmonella Contaminates Oysters
- Waterborne contamination: Salmonella thrives in warm, nutrient‑rich estuarine waters, especially after heavy rainfall or runoff from livestock farms.
- Bioaccumulation: Oysters filter large volumes of water, concentrating bacteria in their tissues.
- Cross‑contamination: Improper handling during harvesting,packing,or transportation can spread the pathogen to clean batches.
Symptoms to Watch For
- Diarrhea (often watery, sometimes bloody)
- Abdominal cramps and fever (≥ 38 °C)
- Nausea, vomiting, and loss of appetite
- Dehydration, especially in children and the elderly
Symptoms typically appear 12-72 hours after consumption and last 4-7 days. Hospitalization is usually required for severe dehydration, high fever, or invasive infection.
Testing & Diagnosis
- Stool culture: Gold standard for confirming Salmonella infection.
- PCR panels: Rapid multiplex tests can detect Salmonella DNA within hours.
- Serotyping: Identifies the specific enteritidis strain, linking cases to the oyster source.
Public Health Response – CDC & FDA actions
- Recall enforcement: FDA has removed > 15 million raw oyster servings from retail shelves.
- Traceback investigations: Ongoing collaboration with state labs to pinpoint contaminated harvest sites.
- Public alerts: CDC’s “Food Safety Outbreak” website updated daily with case counts and exposure locations.
- Guidance for clinicians: Prompt reporting of suspected salmonellosis to local health departments is mandatory.
Recommendations for Consumers
- Avoid raw oysters until the recall is lifted.
- Check labels for lot numbers 2025‑OA‑001 through 2025‑OA‑089; discard any matching batches.
- Seek medical care if you experiance severe diarrhea, fever > 38.5 °C, or dehydration.
- Stay hydrated with oral rehydration solutions; avoid sugary drinks that can worsen diarrhea.
Safe handling & Cooking Tips for Oysters
- Cook to 145 °F (63 °C): Heat eliminates Salmonella and other pathogens.
- Steam for 3-5 minutes: Visual cue-shells should open fully; discard any that remain closed.
- Separate raw from ready‑to‑eat foods: Use dedicated cutting boards and utensils.
- Refrigerate promptly: Keep oysters at ≤ 40 °F (4 °C) and consume within 24 hours of purchase.
Travel & Dining Precautions
- Ask about sourcing: When dining out, inquire whether oysters are cooked or sourced from reputable farms.
- Avoid “on‑the‑half‑shell” menus in high‑risk areas until official clearance is announced.
- Carry a travel health kit with anti‑diarrheal medication and oral rehydration salts.
What Restaurants Can Do
- Verify supplier certifications: Ensure distributors have recent water‑quality testing records.
- Implement batch tracking: Record lot numbers, harvest dates, and storage temperatures.
- Train staff on cross‑contamination: Emphasize hand washing and equipment sanitation after handling raw shellfish.
- Post signage: Clearly mark menu items that contain raw oysters and include a disclaimer about the current outbreak.
Resources & reporting
- CDC Outbreak Portal: https://www.cdc.gov/outbreaks/
- FDA Food Safety Recalls: https://www.fda.gov/safety/recalls‑withdrawals‑alerts/
- State Health Departments: Contact local public‑health offices for region‑specific guidance.
- Report illness: Call the CDC’s Food‑borne illness Hotline at 1‑800‑CDC‑FOOD (1‑800‑232‑3636).
Data reflects the latest CDC and FDA releases as of December 26 2025, 02:30 UTC.