What is the best definition of vehicle of contamination?

The best definition of vehicle of contamination is an object or substance that is contaminated with harmful microorganisms or toxins and can serve as a carrier for the transmission of infectious diseases or toxic substances to humans or other living organisms. Examples of vehicles of contamination may include contaminated food, water, air, surfaces, equipment, or personal items such as clothing and bedding. It is important to identify and control the sources of contamination to prevent the spread of diseases and protect public health. Proper sanitation, hygiene, and food safety practices can help prevent the contamination of vehicles and reduce the risk of disease outbreaks.