:;u Tl HUH I l.n>l> AS A DISKASK Ol 111! 



Perma- 

 nently 

 Infected 

 Houses. 



Fio. 21. 



Aluiiiinuin 



of formalin for each one thousand cul>i< liould 



be placed in the distilling apparatus and be distilled as rapidly 



as possible. The keyhole and 

 spaces about the door should then 

 be packed with cotton or cloth. 

 5. The room thus treated should 

 remain closed at least ten hours. 

 If t! much leakage of gas 



into the surrounding rooms, a 

 second or third distillation of 

 formaldehyde should be made 

 at intervals of two or three hours. 

 To be sure that the work is 

 well done, it is always be- 

 have it supervised by a physi- 

 cian or an experienced disinf. 

 To managers of hotels and board- 

 ing-houses in health resorts and to sleeping-car com panics this 

 method of disinfection is particu- 

 larly to be recommended The 

 disinfection of rooms should always 

 take place immediately after the 

 patient has left. In some cities and 

 villages tuberculosis seems to cling 

 to certain localities and houses. 

 The disease appears in a veritable 

 endemic form, that is to say, it i- 

 always present there, either from 

 the fact that careless tuberculous 

 patients have lived for years in 

 these houses, or owing to the 

 equally important fact that the soil 

 on which they are built, or the manner in which they have 

 been constructed, is such as to favor 

 the retention of the tuberculous infec- 

 tion indefinitely. When a thorough 

 sanitary overhauling does not suffice to 

 stamp out these sources of infection, the 

 destruction of such dwellings seems the 

 only remedy. 



When a community is not provided 

 with a perfect sewerage system, it 

 better that the stools, etc., of patients 



Fio. 23. Folded Card- 

 to Scabury A John- 



