The presence of diphtheria in civilized communities constitutes an important hygienic problem. It shows the need for a practical and efficient method of active immunization, that will protect the child and adult population. Such protection should be applied early in life, so that an efficient active immunity will be produced during that period when the individuals are most susceptible and the disease causes the greatest mortality; that is, from 1 to 5 years of age.
A. VITAL STATISTICS ON DIPHTHERIA
A short review of the tables furnished by vital statistics in this country, in England and in Germany will help to emphasize the foregoing statement, which is quite thoroughly realized by physicians in general, but especially by those engaged in public health work.1. Morbidity Statistics.2. Mortality Statistics.The following facts may be deduced from the tables given:1. That the morbidity and mortality from diphtheria is quite high
ZINGHER A. ACTIVE IMMUNIZATION OF INFANTS AGAINST DIPHTHERIA. Am J Dis Child. 1918;16(2):83–102. doi:10.1001/archpedi.1918.01910140022003
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