When an outbreak of suspected food poisoning or other unusual prevalence of any illness occurs in which headache, muscle stiffness, general malaise, fever, diarrhea, sore throat, vomiting, or jaundice is a prominent symptom, the health staff or director shall immediately report the existence of such an outbreak or disease as required by He-P 300.
N.H. Admin. Code § Env-Wq 907.09