The Influence of External Factors on the Mortality from Pneumonia in Childhood and Later Adult Life

Abstract

Pneumonia in well known to be extremely fatal at both extremes of life. In 1923 it was the cause of 3671 deaths per million living at ages under 5 years; between ages 5–24 the death-rate fell to 177 and rose to 376 at ages 25–44. after 45 the increase was rapid and the death-ate reached 2279 per million living for the ago group 65–74 and 4100 for all ages over 75 years.