with diphtheria, measles, poliomyelitis, acute anterior (infantile paralysis), scarlet fever, smallpox, or typhus fever, to associate with others than his attendants.

No person affected with any of said diseases shall expose himself in such manner as to cause or contribute to, promote or render liable their spread.

REG. 22. Needless exposure to communicable disease forbidden.-No person shall expose or permit the visiting, association, or contact of any child, minor or other person under his charge, with any person affected with diphtheria, measles, scarlet fever, smallpox, typhus fever, or whooping cough, or with discharges of any kind from the person of a patient affected with any of said diseases.

No person shall needlessly expose himself, or visit, or associate, or come in personal contact with a case of any of said diseases, or the discharges therefrom or in any manner cause or contribute to, promote or render liable, the spread thereof.

REG. 23. Exclusion from school of cases of disease presumably communicable. It shall be the duty of the principal or other person in charge of any public, private, or Sunday school to exclude therefrom any child or other person affected with a disease presumably communicable until such child or other person shall have presented a certificate issued by the health officer or medical inspector or by the attending physician and countersigned by the health officer, or by the medical inspector, stating that such child or other person is not liable to convey, infective material.

REG. 24..Exclusion from schools and gatherings of cases of certain communicable diseases.-No person affected with chickenpox, diphtheria, epidemic cerebrospinal meningitis, epidemic or septic sore throat, German measles, measles, mumps, poliomyelities (infantile paralysis), scarlet fever, smallpox, trachoma, or whooping cough, shall attend or be permitted to attend any public, private or Sunday school, or any public or private gathering. Such exclusion shall be for such time and under such conditions as may be prescribed by the health officer, not inconsistent with the provisions of the sanitary code, these regulations or the special rules and regulations of the State department of health.

REG. 25. Exclusion from schools and gatherings of children of households where certain communicable diseases exist.-Every child who is an inmate of a household in which there is, or has been within 15 days, a case of chicken pox, diphtheria, epidemic cerebrospinal meningitis, German measles, measles, mumps, poliomyelitis (infantile paralysis), scarlet fever, smallpox, or whooping cough, shall be excluded from every public, private, or Sunday school and from every public or private gathering of children for such time and under such conditions as may be prescribed by the health officer, not inconsistent with the provisions of the sanitary code, these regulations or the special rules and regulations of the State department of health.

REG. 26. Precautions to be observed in chicken pox, German measles, mumps, and whooping cough.—No person affected with chicken pox, German measles, nrumps, or whooping cough shall be permitted to come in contact with or to visit any child who has not had such disease or any child in attendance at school.

REG. 26-a. Chancroid, gonorrhea, and syphilis.-Chancroid, gonorrhea, and syphilis are hereby declared to be infectious and communicable diseases, highly dangerous to the public health.

It shall be the duty of every physician when first attending a person affected with chancroid, gonorrhea, or syphilis to furnish said person with a circular

of information issued or approved by the State commissioner of health and to instruct such person as to the precautions to be taken in order to prevent the communication of the disease to others.

REG. 26-b. Records of venereal diseases not to be divulged.—The records of the health officer in reference to cases of chancroid, gonorrhea, and syphilis shall not be divulged or made public so as to disclose the identity of the persons to whom they relate by any person, except in so far as may be authorized by the public health council.

REG. 27. Isolation or removal in smallpox.-It shall be the duty of the health officer whenever a case of smallpox occurs in his jurisdiction, if a suitable hospital is available, to remove or cause to be removed such case promptly thereto. Every inmate of the household where such case occurs, and every person who has had contact with such case, or with his secretions or excretions, shall be either vaccinated within three days of his first exposure to the disease or placed under quarantine, and, when vaccinated, the name and address of such inmate or other person shall be taken and such inmate or other person shall be kept under daily observation. Such observation shall continue until successful vaccination results, or for at least 20 days. If such inmate or other person refuses to be vaccinated, he shall be quarantined until discharged by the health officer.

If there is no hospital available, the patient shall be isolated and every inmate of the household shall be vaccinated or strictly quarantined until discharged by the health officer.

Whenever a case of smallpox occurs in his jurisdiction it shall be the duty of the health officer to use all diligence in securing the names and addresses of all persons who have had contact with such case, and in causing such persons to be either vaccinated or placed under quarantine.

REG. 28. Removal to hospital or isolation and restriction of visiting in certain cases. It shall be the duty of the health officer to remove, or cause to be removed, every case of diphtheria, measles, scarlet fever, or poliomyelitis, acute anterior (infantile paralysis), promptly to a suitable hospital, or to see that such case is properly isolated. Such isolation shall be maintained until its discontinuance is permitted by the health officer.

No person, except the physician and the nurse or other person in attendance, shall be permitted to conre in contact with or to visit a case of diphtheria, measles, scarlet fever, or poliomyelitis, acute anterior (infantile paralysis), except by permission of the health officer.

REG. 29. Removal to hospital or isolation, and provision for persons who can not be removed.-It shall be the duty of the health officer, whenever a case of diphtheria, scarlet fever, or typhus fever occurs in a lodging house, hotel or boarding house, if suitable hospital facilities are available, to remove or cause to be removed such case promptly thereto, unless in the judgment of such officer, the case can be safely isolated.

REG. 30. Quarantine in certain emergencies.-When any case of diphtheria, epidemic cerebrospinal meningitis, measles, scarlet fever, smallpox, poliomyelitis, acute anterior (infantile paralysis), or typhus fever is not or can not be properly isolated on the premises and can not be removed to a suitable hospital, it shall be the duty of the health officer to forbid any member of the household from leaving the premises, except under such conditions as he may specify and except as provided by regulation 11 of this chapter.

REG. 31. Maximum period of incubation. For the purpose of these regulations, the maximum period of incubation (that is, between the date of the ex

posure to disease and the date of its development), of the following communicable diseases is hereby declared to be as follows:

Chicken pox, 21 days.

Measles, 14 days.

Mumps, 21 days.

Poliomyelitis, acute anterior (infantile paralysis), 14 days.

Scarlet fever, 7 days.

Smallpox, 20 days.

Whooping cough, 14 days.

REG. 32. Minimum period of isolation.-The minimum period of isolation, within the meaning of these regulations, shall be as follows:

Chicken pox, until 12 days after the appearance of the eruption, and until the crusts have fallen and the scars are completely healed.

Diphtheria (membranous croup), until two successive negative cultures have been obtained from the nose and throat at intervals of not less than 24 hours, the first of such cultures being taken not less than nine days from the day of the onset of the disease.

Measles, until seven days after the appearance of the rash and until all discharges from the nose, ears, and throat have disappeared and until the cough has ceased.

Mumps, until two weeks after the appearance of the disease and one week after the disappearance of the swelling.

Poliomyelitis, acute anterior (infantile paralysis), until three weeks from the day of the onset of the disease.

Scarlet fever, until 30 days after the development of the disease and until all discharges from the nose, ears, and throat, or suppurating glands have ceased.

Smallpox, until 14 days after the development of the disease and until scabs have all separated and the scars completely healed.

Whooping cough, until eight weeks after the development of the disease or until one week after the last characteristic cough.

REG. 33. Sale of foods forbidden in certain cases.-When a case of diphtheria, epidemic or septic sore throat, amebic or bacillary dysentery, epidemic cerebrospinal meningitis, scarlet fever, smallpox, poliomyelitis, acute anterior (infantile paralysis), or typhoid fever exists on any farm or dairy producing milk, cream, butter, cheese, or other foods likely to be consumed raw, no such foods shall be sold or delivered from such farm or dairy, except under the following conditions:

(a) That such foods are not brought into the house where such case exists; (b) That all persons coming in contact with such foods eat, sleep, and work wholly outside such house;

(c) That such persons do not come in contact in any way with such house or its inmates or contents;

(d) That said inmates are properly isolated and separated from all other parts of said farm or dairy, and efficiently cared for; and

(e) That a permit is issued by the health officer.

REG. 34. Destruction of foods in certain cases.-When a case of diphtheria, epidemic or septic sore throat, amebic or bacillary dysentery, epidemic cerebrospinal meningitis, scarlet fever, smallpox, poliomyelitis, acute anterior (infantile paralysis), or typhoid fever exists on any farm or dairy producing milk, cream, butter, cheese, or other foods likely to be consumed raw, the State commissioner of health or the health officer may destroy or order the destruction

of any such foods which in his opinion may have been so contaminated as to be a source of danger.

REG. 35. Handling of food forbidden in certain cases.-No person affected with any communicable disease shall handle food or food products intended for sale, which are likely to be consumed raw or liable to convey infective material. No person who resides, boards, or lodges in a household where he comes in contact with any person affected with bacillary dysentery, diphtheria, epidemic or septic sore throat, measles, scarlet fever, poliomyelitis, acute anterior (infantile paralysis), or typhoid fever shall handle food or food products intended for sale.

No waiter, waitress, cook, or other employee of a boarding house, hotel, restaurant, or other place where food is served, who is affected with any communicable disease, shall prepare, serve, or handle food for others in any manner whatsoever.

No waiter, waitress, cook, or other employee of a boarding house, hotel, restaurant, or other place where food is served, who lodges or visits in a household where he comes in contact with any person affected with bacillary dysentery, diphtheria, epidemic or septic sore throat, measles, scarlet fever, poliomyelitis, acute anterior (infantile paralysis), or typhoid fever shall prepare, serve, or handle food for others in any manner whatsoever.

REG. 36. Carriers of disease germs.—Any person who is a carrier of the disease germs of Asiatic cholera, bacillary dysentery, diphtheria, epidemic cerebrospinal meningitis, poliomyelitis (infantile paralysis), or typhoid fever shall be subject to the special rules and regulations of the State department of health. REG. 37. Reports of food poisoning.—When any physician or the superintendent or person in charge of any hospital, other institution, or dispensary, or any visiting nurse, or public health nurse, or the person in charge of any labor or other camp shall have knowledge, of the occurrence of a number or group of cases of severe or fatal illness believed to have been due to the consumption of articles of food suspected to have been spoiled or poisonous, it shall be the duty of such physician, superintendent, nurse, or other person to report the same immediately, by telephone or telegram, when practicable, to the health officer.

It shall be the duty of the health officer to report immediately to the State commissioner of health, by telephone or telegram, when practicable, the occurrence of a number or group of such cases.

REG. 38. Duties of physicians and other persons concerning tuberculosis.-It shall be the duty of every physician or other person required to perform any duty under sections 320 to 330, both inclusive, of article 16 of the public health law, providing for the reporting and control of cases of tuberculosis, to take all steps incumbent on him and necessary to carry into effect the provisions of the said law.

REG. 38-a. Duties of health officers on receiving report of an apparent case of tuberculosis. Upon receiving word in writing of an apparent case of tuberculosis, as authorized by section 320 of the public health law, the health officer shall thereupon take the following steps:

1. If the alleged case has been previously reported to him by a physician as having tuberculosis and the latter has elected to assume the sanitary supervision thereof as permitted in section 328 of the public health law, the health officer shall ascertain promptly whether such physician is maintaining proper sanitary supervision.

2. If the alleged case has not been previously reported to him as having tuberculosis, the health officer shall take proper measures to determine whether there

is reason to believe such person is affected with pulmonary tuberculosis, and if by suitable physical or sputum examination, or both, he ascertains that the person is affected with pulmonary tuberculosis, he shall then proceed in accordance with the provisions of the public health law and the rules of the State department of health.

REG. 39. Cleansing, renovation, and disinfection required.-Adequate cleansing of rooms, furniture, and belongings, when deemed necessary by the health officer, or required by the sanitary code, these regulations, or otherwise by law, shall immediately follow the recovery, death, or removal of a person affected with a communicable disease. Such cleansing shall be performed by and at the expense of the occupant of said premises, upon the order and under the direction of the health officer, in accordance with the sanitary code and these regulations. Adequate renovation of premises when deemed necessary by the health officer, or required by the sanitary code or these regulations, or otherwise by law, shall immediately follow the recovery, death, or removal of a person affected with a communicable disease. Such renovation shall be performed by and at the expense of the owner of said premises or his agents, upon the order and under the direction of the health officer, in accordance with the sanitary code and these regulations.

Adequate disinfection of premises, furniture, and belongings, when deemed necessary by the health officer or required by the sanitary code, these regulations, or otherwise by law, shall immediately follow the recovery, death, or removal of a person affected with a communicable disease. Such disinfection shall be performed by or under the direction of the health officer in accordance with the sanitary code or these regulations, and at the public expense, unless otherwise provided pursuant to law.

REG. 40. Methods and precautions in cleansing, renovation, and disinfection.— The following methods and precautions shall be observed in cleansing, renovation, and disinfection:

(a) Cleansing shall be secured by the thorough removal of dust and other contaminating material in such a way as to prevent the entry thereof, as far as may be possible, into other rooms or dwellings; washing with soap and water; scouring; airing; and exposure to sunlight; in accordance with the special rules and regulations of the State department of health.

(b) Renovation shall be secured by removing old paper from walls and ceilings, and repainting, recalcimining, or repapering of walls, ceilings, and woodwork as may be ordered by the health officer in accordance with the special rules and regulations of the State department of health.

(c) Disinfection of rooms shall be secured by the use of such disinfecting agents in such quantities and in such manner, and of such sterilizing procedures as may be ordered by the health officer, in accordance with the special rules and regulations of the State department of health. When gaseous disinfectants are to be used, all cracks, crevices, and openings into the room shall first be pasted over with paper. Thereafter, all rugs, carpets, upholstered furniture and such textile fabrics in the said room as can not, in the opinion of the health officer, be washed or soaked in a disinfecting solution, may be removed for disinfection by steam when ordered by the health officer, in accordance with the special rules and regulations of the State department of health. REG. 41. Destruction of furniture, clothing, and other articles.-Furniture, bedding, clothing, carpets, rugs, and other articles, which may have been contaminated with infective material from any case of diphtheria, scarlet fever, or smallpox, and which are of such a nature or in such condition that they can 35495°-21- -8