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Article
November 15, 1902

PNEUMONIA.ITS INCIDENCE, MORTALITY, PROPHYLAXIS.

JAMA. 1902;XXXIX(20):1235-1237. doi:10.1001/jama.1902.52480460013001b
Abstract

The mortality from pneumonia is distinctly on the increase in all our large cities. This increase is taking place notwithstanding the fact that mortality from other infectious sources is decreasing. We hear much of diphtheria and smallpox. Their ravages are as naught to pneumonia. While the death rate from such important causes as heart disease, brain disease and consumption is on the wane, that of pneumonia is constantly on the increase. There is no doubt now that pneumonia is an infectious disease, yet notwithstanding the decrease in mortality in other infectious diseases, pneumonia is becoming a universally more serious danger.

INCREASE IN MORTALITY.  It is true that the pneumonia mortality is on the increase, especially among the old, and that the improved sanitary conditions in our cities have raised the age limit to a marked extent. The increase of persons living above 60 in our cities is not, however, as

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