Have you heard of the 5-second rule when food falls to the floor? Have you seen the signs in restrooms indicating that all employees must wash their hands before returning to work? Bacteria are everywhere and the concept of cleanliness should apply to anyone who comes in contact with foreign materials, fecal matter or urine, or any potentially contaminated materials.

Which two different rooms do you believe are the most contaminated rooms in any home or at work? Explain why you chose these two rooms and list at least two bacteria that are the common types found in those rooms.

 
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