Olfactory receptors are responsible for the processing of the taste of a substance and are located in the nasal cavity. Therefore, when we have a cold or allergies, the blockage of the nasal cavities causes food to taste somewhat the same.
What .?!?!?!?!?!?!?!?!?!??!?!?!?!?!?!?!?!?
Food handlers can contaminate ready-to-eat foods by not wearing the proper equipment or not sanitizing properly before touching the food. To illustrate, ways this could happen is if a worker puts on dirty gloves, does not put on gloves and does not properly sanitize their hands before touching the foods. This can lead to food borne illnesses such as dysentery, e-coli, etc.