Reported Whooping Cough Morbidity and Mortality in the United States

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Abstract
The trend ef mortality and morbidity in whooping cough is outlined. The data is discussed in detail and use is made of 3 graphs, 3 tables and one map. Morbidity records were available for the entire country with the exception of 2 States since 1925. Whooping cough mortality data by age groups are available for a much larger proportion of the U. S. Mortality data was more completely recorded than morbidity figures. The study of whooping cough morbidity by age groups is discussed but is handicapped by some deficiencies in the available data. A lower % of deaths in the colored race under 6 months of age is noted. The conc, of deaths in the first 2 yrs. of life is constant in all parts of the U. S. The higher mortality rate among females has been proved in all parts of the world. Using available statistics, it has to be concluded that the incidence of whooping cough is much higher among white people than among colored although the mortality rate of the colored was twice as much. The Indians, however, show the greatest death rate, it being 6 times that of the white race. Comment was made on the higher death rates from whooping cough among the southern and Mountain States and the fact that they show a definite rural distribution. The amt. of illiteracy is also related in some way, to the mortality. The effect of prophylactic vaccination among children under 3 months of age remains to be seen.

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