Bacteria like Staphylococci are found on hair, skin, mouth, nose and throat. According to one estimation, nearly 50 percent of healthy food handlers carry disease agents that can be transmitted by food. The most important tool you have to prevent foodborne illness is good personal hygiene .
Personal hygiene is the way a person maintains their health, appearance and cleanliness.
A cough or sneeze can transmit thousands of microorganisms that may cause disease.