Pathogen

Definition

Pathogens are harmful microorganisms like bacteria, viruses, and parasites that can cause diseases when they contaminate food and enter the body.

Scientific / Technical Definition

Pathogens are biological agents that cause disease or illness to their host. They include a variety of microorganisms such as bacteria, viruses, fungi, and protozoa, which can contaminate food products and lead to foodborne illnesses.

Benefits

Examples

• Salmonella in undercooked poultry
• Escherichia coli in contaminated water
• Listeria found in unpasteurized dairy products
• Norovirus on fresh produce

Additional Information

• Known issues: Contamination with pathogens can lead to foodborne illnesses, which might cause symptoms like nausea, vomiting, diarrhea, and in severe cases, long-term health complications or death.

Related Terms

• Non-GMO Foods

References

• Centers for Disease Control and Prevention - Foodborne Germs and Illnesses
• World Health Organization - Food Safety