Floral perfumes worn by food service employees. Option C.
Foodborne illnesses are ill-health-related issues that are contracted as a result of consuming foods that are contaminated.
Food contaminants can be from different sources. These include:
Perfumes worn by food service employees have extremely low chances, if at all, of being a source of contaminants for the foods the employees handle.
Thus, an exception exists with floral perfumes.
More on food contaminants can be found here: https://brainly.com/question/22173814
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