100 THE ACUTE SELF-LIMITED INFECTIONS 



5 per cent., and drying in the sun are demanded when 

 the nurse leaves the patient. The nurse should 

 receive immunizing doses of antitoxin. Since the 

 bacilli spread through the air, sheets wetted with 

 disinfectants should be hung about, particularly at 

 doors. 



FIG. 31 



A. 



Bacterium diphtheria: A, its morphology on glycerin-agar-agar; B, its 

 morphology on Loffler's blood serum; C, its morphology on acid blood serum 

 mixture. (Abbott.) 



For diagnosis of diphtheria use is made of direct 

 examination of stained smears from the site of trouble, 

 and cultures upon blood serum, the best culture 

 medium. 



The bacilli are rather characteristic in their irregular 

 shape. They are rods of unequal length and width, 

 full of granules, which stain more deeply than the rest 



