Listeria
Updated
foodborne
Current outbreak signals
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Open outbreak map- CFIA: Coaticook brand Aged Cheddar Cheese recalled due to Listeria monocytogenes - Listeria - Canadian Food Inspection Agency - event 2026-09-01
Older active signals (still published)
- Clover Hill Dairy LLP, Flavored Cheese (horseradish). Sold in approximate 1/2-lb, 1-lb, 2.: Listeria food recall - Listeria - U.S. FDA - event 2026-09-02
- Clover Hill Dairy LLP, Pepper Jack Cheese Varieties (Snack Pack Assorted Pepperjack Stix (: Listeria food recall - Listeria - U.S. FDA - event 2026-09-02
- Clover Hill Dairy LLP, Mild Cheese Variety (Yummy Cheddar, White Cheddar, White Colby, Mon: Listeria food recall - Listeria - U.S. FDA - event 2026-09-02
- Corn Dogs, Chicken and Pork Corn Dog: Listeria food recall - Listeria - recalls-rappels.canada.ca - event 2026-08-23
- Clover Hill Dairy LLP, sharp cheese variety (Cheddar, Yummy Cheddar, White Cheddar, Monter: Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- Requeson, bulk product from Clover Hill Dairy packed into a plastic 18-lb bucket. Unknown : Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- La Colonia Foods Salvadoreno Requeson Soft Ricotta, Net Wt: 14 oz (367g), packaged into re: Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- Clover Hill Dairy LLP, Cuajada (vacuum sealed), sold in 30-lb boxes. Unknown information: : Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- Selectos Latinos Requeson Salvadoreno Ricotta Style Salvadorean Cheese, Net Weight 14 oz, : Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- Clover Hill Dairy LLP, Smoked Cheddar Cheese Varieties (Cheddar, White Cheddar). Sold in 1: Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- Clover Hill Dairy LLP, Soft Cuajada (vacuum sealed), sold in 14oz- and 2.5 lb clam shells,: Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
- Clover Hill Dairy LLP, Soft Cuajada crumbs. Unknown information: packaging, labeling, or t: Listeria food recall - Listeria - U.S. FDA - event 2026-08-18
What it is
Foodborne pathogens can cause outbreaks linked to food or water. Agencies publish investigations and recalls.
Symptoms (general)
Common symptoms can include nausea, vomiting, diarrhea, abdominal pain, or fever depending on the organism.
How it spreads
Transmission is often through contaminated food, water, or infected food handlers in outbreak settings.
Prevention (general)
Follow food safety guidance from health agencies; this site links to official notices rather than giving kitchen or medical instructions.
Why people track it
Listeria often appears in official dashboards when activity rises, investigations open, or travel rules change. OutbreakThreat does not estimate personal risk; we surface what agencies have already published so you can read the original notice in context.
What people look up about Listeria
- Listeria outbreak signals near me
- Listeria symptoms and official prevention pages
- How OutbreakThreat labels official vs emerging notices
Related reports
- Clover Hill Dairy LLP, Flavored Cheese (horseradish). Sold in approximate 1/2-lb, 1-lb, 2.: Listeria food recall
- Clover Hill Dairy LLP, Pepper Jack Cheese Varieties (Snack Pack Assorted Pepperjack Stix (: Listeria food recall
- Clover Hill Dairy LLP, Mild Cheese Variety (Yummy Cheddar, White Cheddar, White Colby, Mon: Listeria food recall
- Corn Dogs, Chicken and Pork Corn Dog: Listeria food recall
- Clover Hill Dairy LLP, sharp cheese variety (Cheddar, Yummy Cheddar, White Cheddar, Monter: Listeria food recall
- Requeson, bulk product from Clover Hill Dairy packed into a plastic 18-lb bucket. Unknown : Listeria food recall
- La Colonia Foods Salvadoreno Requeson Soft Ricotta, Net Wt: 14 oz (367g), packaged into re: Listeria food recall
- Clover Hill Dairy LLP, Cuajada (vacuum sealed), sold in 30-lb boxes. Unknown information: : Listeria food recall
- Selectos Latinos Requeson Salvadoreno Ricotta Style Salvadorean Cheese, Net Weight 14 oz, : Listeria food recall
- Clover Hill Dairy LLP, Smoked Cheddar Cheese Varieties (Cheddar, White Cheddar). Sold in 1: Listeria food recall
- Clover Hill Dairy LLP, Soft Cuajada (vacuum sealed), sold in 14oz- and 2.5 lb clam shells,: Listeria food recall
- Clover Hill Dairy LLP, Soft Cuajada crumbs. Unknown information: packaging, labeling, or t: Listeria food recall
Related locations
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Set up alertsSources we monitor for Listeria
Signals on this hub come from WHO Disease Outbreak News, CDC notices, FDA advisories, ECDC updates, and state or local postings when they name this disease. We link each row to the original https URL. See the full adapter list on Sources & methodology.
What this page can and cannot tell you
- Can: show dated agency notices we have indexed, with credibility tier and geography as published.
- Cannot: diagnose illness, estimate personal risk at your address, or replace clinical care.
- Cannot: guarantee every local case appears here - reporting delays and broad geography are common.
When to contact official health authorities
Call your clinician or local health department if you have symptoms matching an exposure notice, if you ate an implicated food product, or if a school or workplace letter names you in an exposure window. For emergencies, use your national emergency number. OutbreakThreat summarizes public information; agencies own testing, isolation, and treatment guidance.
Official sources & methodology
Clinical definitions and treatment live with licensed clinicians and agencies such as WHO, CDC, ECDC, or your national health service. OutbreakThreat summarizes publisher-linked signals and documents how we label credibility on our Sources page.
Related diseases
Related outbreak maps & guides
Related disease alerts
Browse source-linked notices on the alerts index filtered for Listeria.
Popular searches
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- Clover Hill Dairy LLP, Flavored Cheese (horseradish). Sold in approximate 1/2-lb, 1-lb, 2.: Listeria food recall
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Set up alertsCommon questions
- What is Listeria in plain English?
- Foodborne pathogens can cause outbreaks linked to food or water. Agencies publish investigations and recalls.
- How does Listeria spread?
- Transmission is often through contaminated food, water, or infected food handlers in outbreak settings.
- Why do people track Listeria on OutbreakThreat?
- Official agencies publish situational updates, investigations, and environmental surveillance. OutbreakThreat links those updates in one place for situational awareness.
- What does "official" mean on OutbreakThreat?
- Official alerts come directly from a government health agency like WHO, CDC, FDA, or a state health department. We link to the original notice so you can read the full text and context.
- What is the difference between an outbreak alert and a confirmed outbreak?
- An alert on OutbreakThreat is a dated notice from an agency or reputable source. It might be an investigation update, a health advisory, or a surveillance report. It is not the same as a final case count or an officially declared outbreak. Agencies refine their wording as investigations continue.
- How often is outbreak data updated?
- We check our source agencies multiple times per day. New notices typically appear on OutbreakThreat within hours. Our editorial summaries are reviewed during business hours (Central Time).
- Can I get alerts for my home, school, or business?
- Yes. Paid plans let you save locations with a radius and receive email when a new agency notice matches your area and disease preferences. The map and alert index are always free to browse.