RSA 125:9 Duties.

The commissioner of the department of health and human services shall:
I. Take cognizance of the interests of health and life among the people.
II. Make investigations and inquiries concerning the causes of epidemics and other diseases, the sources of morbidity and mortality, and the effects of localities, employments, conditions, circumstances, and the environment on the public health. Investigations authorized under this paragraph shall also include an extended rabies surveillance effort which shall be conducted with assistance from the department of agriculture, markets, and food and the fish and game department.
III. Advise and assist town health officers in making investigations into sanitary matters in their towns.
IV. Take measures to communicate such