53 Pa. Stat. § 24663
Each and every physician located or practicing in any of the said cities who shall know that any person whom he or she is called upon to visit, or who comes or is brought to him or her for examination, is suffering from or is afflicted with cholera, smallpox (variola or varioloid), diphtheria, diphtheritic croup, membraneous croup, scarlet fever, typhoid fever, typhus fever, yellow fever, epidemic cerebro-spinal fever, relapsing fever, or leprosy, shall forthwith make report in writing, or upon blanks to be furnished for that purpose, to the bureau of health of the city in which said person may be located, which said report shall over his or her own signature state the name of the disease, and the name, age and sex of the person suffering therefrom, and shall also set forth by street and number, or otherwise sufficiently designate the house, room or other place in which said person may be located, together with such other information relating thereto as may be deemed important by said bureau.
53 P.S. § 24663