Protection Against Diphtheria.

Focuses on the prevention of diphtheria. Injection of antitoxin to combat diphtheria; Shortcoming of using antitoxin is that it gives protection for only short periods of time; Determination of whether any individual is susceptible or immune to diphtheria by Schick test; Standardization of outfits for performing Schick test, by the Health Department of New York City; Administration of the horse serum containing antitoxin in the patient with the help of sterilized syringe; Obstacle in the prevention has been great number of healthy individuals who carry diphtheria bacilli in their throats.