AAA Food Manager Certification Practice Test

Which pathogen is most commonly associated with outbreaks in contaminated water?

1. Clostridium botulinum

2. Nontyphoidal salmonella

3. Norovirus

4. Shigella

The correct answer is: Norovirus

Norovirus is the pathogen most commonly associated with outbreaks in contaminated water. This virus is highly contagious and can be transmitted through ingestion of contaminated food or water, direct contact with an infected person, or touching contaminated surfaces. Norovirus can survive in various environments, including water, which makes it a frequent culprit in outbreaks stemming from contaminated water supplies or recreational water settings such as swimming pools and beaches. The high transmissibility and low infectious dose of norovirus contribute to the ease with which it spreads, leading to large outbreaks, particularly in communal settings like schools, nursing homes, and cruise ships. Understanding the characteristics of norovirus can significantly aid in the prevention and management of waterborne outbreaks, highlighting the importance of proper sanitation and hygiene practices in food service and water management.