60 INFECTION AND IMMUNITY 



carbolic acid, creolin, cresol, and lysol. A five-per-cent. 

 solution of either of these may be used for the disin- 

 fection of the liquid discharges of patients with cholera, 

 cholera infantum, dysentery, or typhoid fever ; also 

 for the expectoration of those suffering from pulmon- 

 ary tuberculosis, pneumonia, diphtheria, influenza, 

 scarlet fever, measles, or whooping-cough. It must 

 be remembered, however, that time is an element in 

 the accomplishment of disinfection, and after adding 

 the disinfecting solution to the material to be dis- 

 infected an interval of an hour or more should be 

 allowed before the contents of the vessel are thrown 

 into a vault or sewer. A two-per-cent. solution of one 

 of the above mentioned disinfectants may be used 

 for washing floors, articles of furniture, leather, etc. 

 Such a solution may also be used for the disinfec- 

 tion of pocket-handkerchiefs, bed-linen, underclothing, 

 and other articles which require disinfection before 

 sending them to the laundry. The articles to be dis- 

 infected should be completely immersed in the dis- 

 infecting solution, contained in a suitable receptacle, 

 and left for at least an hour before removal from the 

 sick-room or its immediate vicinity. 



Chlorinated lime (" chloride of lime," " bleaching 

 powder ") is a valuable disinfectant and also a prompt 

 deodoriser. It may be used for the disinfection of 

 excreta in the sick-room, in open pits, etc., and for 



