34. Persons who have been exposed to a communicable disease may be placed under observation until the period of incubation has elapsed.

35. Unlawful to remove placard.-The fact of the alteration, destruction, or removal of any such notice shall be considered evidence that such notice was altered, destroyed, or removed by the occupant or persons having possession or control of the house or building upon which such notice is placed or posted, and it shall be the duty of the occupant having charge of the house or building to immediately notify the health officer having jurisdiction of such destruction or removal.

36. In the event that any of the general provisions for isolation and observation of communicable diseases are found to be violated, the local health officer may, with the approval of the State health officer, enforce quarantine.

37. Release from quarantine.-When persons confined in a house have recovered from a communicable disease, and when other persons confined in the house by reason of exposure, for which quarantine or isolation was established, are considered free from danger of spreading infection, the quarantine or isolation shall be raised by order of the health officer, but not until measures for disinfection applying to the particular disease have been carried out under the direction of the health officer or his authorized assistant.

38. It shall be the duty of every physician in attendance upon a case of a communicable disease to send to the health officer having jurisdiction a certificate signed by him certifying to the recovery or death of such case within 12 hours after he becomes aware of such recovery or death.

39. No person suffering from any communicable disease subject to quarantine or isolation shall be certified as having recovered therefrom until he is considered entirely free from communicating the disease to others, and the health officer shall satisfy himself that such is the case before ordering the removal of quarantine or isolation.

40. Unoccupied premises to be cleaned.-No person shall rent, or permit to be occupied, any apartment, residence, or building previously occupied by a person who has suffered from tuberculosis, scarlet fever, diphtheria, smallpox, or acute anterior poliomyelitis until the insides of such apartments shall have been thoroughly disinfected and cleaned under the supervision of a health officer or his assistant.

41. Every vacated house, store, office, or place of business or amusement in this State shall be thoroughly cleaned by means of the free use of water and a cleaning agent, vacuum cleaner, or other efficient and approved agent before being leased or used again.

42. There shall not be any public, house or church, funeral of any person who has died of plague, Asiatic cholera, smallpox, typhus fever, diphtheria, scarlet fever, acute anterior poliomyelitis, or epidemic cerebrospinal meningitis, and the attendance shall be limited, and only adults being allowed to participate in the brief service. The public notice of death of a person dying from one of the diseases enumerated in this paragraph shall state the name of the disease which caused the death.

43. No other persons than licensed physicians, undertakers, or nurses in attendance may enter or leave any house or building infected with any communicable disease subject to quarantine or isolation without first procuring permission from the health officer having jurisdiction and obeying absolutely his directions as to all sanitary precautions which he ordered.

44. No person recovering from a communicable disease shall leave the sick room or premises where he has been under quarantine or isolation until after removal of the placard, or warning card, by order of the health officer, in writing.

45. Physicians visiting patients under quarantine or isolation must take all possible precautions to avoid spreading the disease.

46. All dogs, cats, or other domestic pet animals shall be excluded from the room of persons ill of diseases requiring quarantine or isolation, and should be excluded from the house.

47. Special regulations for communicable diseases.-Asiatic cholera, plague, typhus and yellow fever shall be quarantined and reported at once by telephone or telegraph to the State health officer, when special instructions will be furnished.

SMALLPOX, VARIOLA, OR VARIOLOID.

48. Isolation. Any person suffering with smallpox shall be isolated in a special room set aside for that purpose and from which all unnecessary furnishings have been removed. If such isolation can not be strictly enforced. then the patient should be removed to a hospital or place provided by the proper authorities for the care and treatment of such cases, provided this can be done without endangering the life of the patient.

Placarding of premises.-(See regulation 30.)

49. Contacts. All persons who have been exposed or are likely to have been exposed to smallpox shall be immediately vaccinated and shall be under observation for 14 days from date of last exposure, unless they have had smallpox or have been successfully vaccinated within one year. All persons refusing to be vaccinated shall remain isolated 14 days.

50. Health officers shall vaccinate free, at stated hours and places, all persons who may apply for vaccination.

51. Removal of placard.-When the attending physician considers a smallpox patient as having recovered, after complete desquamation, he shall report the fact in writing to the health officer having jurisdiction, who shall thereupon remove or order removed the placard or warning card from the house. The patient must not leave the house until after the removal of the warning card. 52. Disinfection. The apartments which have been occupied by a smallpox patient shall be deemed to be infected and when made vacant by death, removal, or recovery of the patient shall, together with their contents, be thoroughly cleaned and disinfected under the supervision or direction of the local health officer. All persons having been ill from smallpox shall, before being released from their isolation, have their clothing disinfected and take a disinfecting bath.

SCARLET FEVER.

53. Isolation. Every case of scarlet fever shall be isolated in a special room set aside for that purpose and from which all unnecessary furnishings have been removed. If such complete isolation can not be enforced, then the case should be removed to a hospital or place provided by local authorities for the eare and treatment of such cases, and such isolation shall continue until all evidences of inflammation of the nose, throat, and accessory cavities have disappeared, desquamation complete, and until after terminal disinfection. Placarding of premises.-(See regulation 30.)

54. Disinfection.-The apartments occupied by a scarlet-fever patient shall be deemed infected and when vacated by death, removal, or recovery of the patient shall, together with their contents, be thoroughly disinfected under the supervision or direction of the health officer. All persons having occupied such apartments during the period of isolation shall have their clothing disinfected and shall take a disinfecting bath previous to their release from the isolated

apartment. All disinfection prescribed in this rule shall be a part of the control of the disease.

55. Contacts.-Residence in a household where scarlet fever exists shall constitute exposure, and adults residing therein may pursue their ordinary vocations, provided they have furnished a signed statement to the health officer declaring that they will not come in contact with the patient or the patient's room. School children, teachers, or others having to do with children shall be excluded from all schools or any public or private gathering whatever for 10 days of observation after last exposure to any case of scarlet fever within the household or termination of all restrictions for isolation.

56. Children to be removed from school.-During the prevalence of scarlet fever in a community teachers and others in charge of schools shall exclude children showing evidence of inflammation of the throat.

57. Sale of milk, etc.-No milk, butter, or other dairy product shall be sold or given to any person or delivered at any creamery or butter factory from a house where a case of scarlet fever exists.

58. No person residing in a house where a case of scarlet fever is under isolation shall be engaged in the handling of milk or other dairy products.

DIPHTHERIA (MEMBRANOUS CROUP).

59. Isolation.-Isolate the patient as for scarlet fever and until the secretions from the nose and throat are free from the diphtheria bacilli as shown by two consecutive bacteriological examinations of such secretions, made at intervals of not less than 48 hours. Culture tubes will be furnished and examination made free of charge for counties and cities that do not maintain a bacteriological laboratory upon application to the hygienic laboratory of the State board of health.

60. If a bacteriological examination is not possible the patient shall be held under isolation for a period of two weeks after all evidence of sore throat or any discharge from the eyes, ears, nose, or throat has disappeared. Placarding of premises.-(See regulation 30.)

61. Contacts. Children and other persons who have been exposed to diphtheria not residing in a house where a case exists shall be isolated until shown by a bacteriological examination to be free of the diphtheria organism; when such examinations are not made they shall be kept in isolation for three days after an immunizing dose of diphtheria antitoxin of not less than 1,000 units has been administered; and when no such immunizing dose of diphtheria antitoxin has been administered the period of isolation shall be seven days since last possible exposure.

62. Children and other persons residing in a house in which a case of diphtheria exists shall be detained in their homes until the patient is released from isolation, after which they shall be subject to the restrictions mentioned in regulation 61. Wage earners shall be allowed to continue their occupations when employed in industries other than the production, manufacture, or sale of wearing apparel and foodstuff, and when their employment does not bring them in contact with children.

63. Disinfection.-Apartments occupied by a diphtheria patient shall be deemed to be infected, and when vacated by death, removal, or recovery of the patient shall, together with their contents, be thoroughly disinfected. All persons having occupied such apartments during the period of isolation shall have their clothing disinfected and take a disinfecting bath before being released from isolation. All disinfection prescribed in this rule shall be a part of the control of the disease.

64. Sale of milk.-No milk, butter, or other dairy product shall be sold or given to any person or delivered at any creamery or butter factory from a house under isolation because of the presence of diphtheria therein.

MEASLES.

65. Isolation.--All cases of measles shall be isolated as soon as the nature of the affection is suspected, and such isolation shall be continued until all catarrhal symptoms have disappeared. The fact of the disappearance of symptoms shall be determined by the proper local health authority, and this should determine the removal of quarantine by him.

Placarding of premises.-(See regulation 30).

66. Contacts.-Children and others who have been in contact with measles patients, and those living in the same house where cases are present, shall not be required to be isolated, but shall be prohibited from attending school or other public gathering for a period of 14 days from last possible exposure. In the event of such children developing catarrhal symptoms, however, they shall be at once isolated.

67. Notification of cases to teachers.--Teachers and others in charge of schools shall be promptly notified by the proper health authority of the names of pupils who have developed measles and the names of contacts who have been prohibited from attending school.

68. During the prevalence of measles in a community, teachers and others in charge of schools shall exclude children presenting catarrhal symptoms indicative of the disease. Teachers shall report to the health officer immediately the names of pupils who have been so excluded. Before permitting a child to return to school a certificate shall be required from the health officer or attending physician that it is no longer likely to convey infection.

69. Disinfection.-The discharges and articles soiled by the discharge shall be promptly disinfected during the course of the disease. Terminal disinfec tion is not necessary, but the room should be thoroughly aired for 24 hours before it is occupied by a well person.

CHICKEN POX.

70. All persons affected with chicken pox shall be excluded from school and shall not be allowed to associate with other children.

71. Chicken pox in adults.--Chicken pox in adults occurs occasionally, but as this name is frequently given to evade the diagnosis of mild cases of smallpox, it is hereby required that every case be reported and treated by isolation of the adult patient until released by the health officer.

WHOOPING COUGH.

72. Observation.-Separate the patient from direct contact with other members of the family for not less than five weeks from the beginning of the disease. and longer, if necessary, until the "whoop" has entirely ceased. The patient should be cautioned not to cough in the presence of children.

73. Children of the household should be prevented from coming in intimate contact with the sick.

ACUTE ANTERIOR POLIOMYELITIS (INFANTILE PARALYSIS).

74. Isolation. The patient shall be isolated for a period of two weeks from the onset of symptoms and according to the rules governing cases subject to isolation.

Placarding. (See regulation 30.)

75. Discharges from the throat, nose, and mouth of the patient must be received on cloths and burned at once. Other discharges shall be disinfected before being allowed to leave the sick room.

76. Disinfection.-After death or termination of the case all personal clothing and bedding of the patient, together with the contents of the room and the room itself, shall be thoroughly disinfected and the destruction of any flies assured, under the supervision of the health officer.

77. Contacts. Children, teachers, or others having to do with children, resid、 ing in an affected household, shall be kept under observation until isolation measures have been removed and the premises properly disinfected.

EPIDEMIC CEREBROSPINAL MENINGITIS.

78. Isolation.-Isolate the patient for a period of at least two weeks from onset of symptoms.

Placarding of premises. (See regulation 30.)

79. Disinfection. The discharges from the throat, nose, and mouth of the patient must be received on cloths and burned, or the cloths may be immersed in boiling water or a disinfectant solution. Free ventilation of the sick room and exposure to sunlight of articles coming from the sick room will suffice in lieu of disinfection

80. Persons living in a house where the disease is present should use disinfectant sprays for the nose and throat and should not mingle with the general public as provided for under the general rules for isolation.

81. Contacts. All children from a household where a case is under isolation shall be excluded from school until such time as in the opinion of the local health officer all danger of conveying the disease has passed.

LEPROSY.

82. Cases of leprosy which are in the ulcerated stage or show the bacillus of leprosy in the sputum or nasal secretions, on microscopic examination, shall be subject to rigid segregation and quarantine according to directions to be issued by the State health officer.

83. Ordinary cases of leprosy shall be isolated as provided by general regulations.

OPHTHALMIA NEONATORUM.

84. Should one or both eyes of an infant become inflamed or swollen or reddened, or should any pus or secretion form in the eyes or upon the edge of the lids at any time, it shall be the duty of the midwife, nurse, or other person having charge of such infant to report, within 6 hours, to the local health officer, or to some legally qualified practitioner of medicine in the community in which such case shall occur the fact that such inflammation, swelling, or redness or accumulation in the eyes exists.

85. It shall be the duty of said health officer or physician, immediately upon receipt of the report, to notify the parents or person having charge of said