SERUM THERAPY 81 



immunizing effect persist for a maximum 

 period. 



When a person develops diphtheria, all other 

 members of the family should receive at the 

 earliest possible moment an immunizing dose 

 of Diphtheria Antitoxin. Immunization is es- 

 pecially indicated in hospitals, asylums and in- 

 stitutions for children. When an epidemic 

 exists in the neighborhood, it is often wise to 

 immunize the children who attend public 

 schools. The advantages of immunization are 

 best illustrated by the records of the New York 

 City Health Department which shows that out 

 of more than 80,000 cases immunized only 182, 

 or 0.2 per cent, developed diphtheria. 



TREATMENT 



Thousands of lives have been saved by the 

 use of Diphtheria Antitoxin and many more 

 cases of diphtheria could be saved by the early 

 employment of large doses of the antitoxin. 

 Diphtheria being a toxic disease, it is neces- 

 sary in the treatment to employ large doses of 

 antitoxin as early as possible, in order that the 

 toxin may be neutralized. The dosage will de- 

 pend upon the apparent severity of the disease 



