What should a manager of a hospital cafeteria do if a cook calls in with a headache, nausea, and diarrhea?

a. Ask the cook to come in for a short shift
b. Instruct the cook to take over-the-counter medication and report to work
c. Advise the cook to stay home until symptom-free for at least 24 hours and cleared by a doctor
d. Send the cook to a different department with less direct food contact