Bacterial Pathogen Survey in Refrigerated Ready-to-Eat Foods

4,851 food samples were analyzed for Salmonella, Listeria monocytogenes, and generic E. coli between April 2013 and March 2018. The Canadian Food Inspection Agency conducted the survey, finding Listeria monocytogenes in five samples, Bacillus cereus in two, and Staphylococcus aureus in one.

Use Cases

• Analyze prevalence rates of Listeria monocytogenes, Salmonella, and generic E. coli across 4,851 food samples.
• Compare detection frequencies between primary pathogens (Salmonella, Listeria) and secondary targets (Bacillus cereus, Clostridium perfringens) in the 3,282-sample subset.
• Model contamination risk factors using sample attributes like food type and processing date linked to pathogen presence/absence.
• Assess the outcome of positive detections, such as the three product recalls triggered by Listeria monocytogenes findings.

Strengths

• 4,851 analyzed samples provide a substantial basis for prevalence estimation.
• Clear temporal coverage spanning five years from 2013 to 2018.
• Specific detection counts are provided for each pathogen (e.g., 5 Listeria positives).

Limitations

• Sample details and columnar data (e.g., food categories, sampling locations) are not provided in the description.
• The dataset is static, covering a closed historical period with no ongoing updates.
• Analysis scope differs between the full set (3 pathogens) and a subset of 3,282 samples (6 pathogens), complicating direct comparisons.

Provenance

Source

Canadian Food Inspection Agency

Collection Method

Targeted laboratory analysis of collected food samples.

Time Range

April 1,我们发现 2013 to March 31, 2018

Freshness

Data collection ended March 31, 2018; the report was last updated in 2026.

Geography

Canada