Food Manager Practice Exam

Which of the following is NOT considered a major biological hazard?

1. Bacteria

2. Viruses

3. Parasites

4. Allergens

The correct answer is: Allergens

Allergens are not typically classified as a major biological hazard in the same way that bacteria, viruses, and parasites are. Biological hazards generally refer to harmful microorganisms or infectious agents that can cause illness in food. Bacteria, such as Salmonella or E. coli, and viruses, including Norovirus and Hepatitis A, are well-known pathogens that can contaminate food and lead to foodborne illnesses. Parasites, such as Giardia or Trichinella, also pose significant health risks and can be transmitted through food consumption. On the other hand, allergens are substances that can cause allergic reactions in certain individuals and are related to the immune system's response to specific proteins found in foods. While allergens can lead to serious health issues, such as anaphylaxis, they are not classified as biological hazards in the context of food safety because they do not cause illness through infection or contamination in the same manner as pathogenic microorganisms. Instead, allergens are considered a separate category of food safety concern that focuses on preventing allergic reactions.