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July 1961

Infectious Pneumonias of Early Infancy

Author Affiliations

Senior Assistant Resident in Pediatrics.; From the Department of Pediatrics, University of Colorado School of Medicine.

Am J Dis Child. 1961;102(1):123-133. doi:10.1001/archpedi.1961.02080010125020

The use of antibiotics and chemotherapeutic agents has appreciably lowered the mortality from bacterial infections, including pneumonia. Comparison of the figures on pneumonia mortality in the United States in 1936-1938 with the 1951-1953 statistics shows an over-all decrease in mortality in all age groups, as high as 89%.1 During this same period, the decrease in deaths among infants below one year of age was only 62%. Two recent statistical reports reveal that in the United States 19% of all deaths from pneumonia occurred in children less than one year old,2 and 29% of the infants affected were in the neonatal group.3 Arey and Arey4 estimated that pneumonia is the primary cause of death in 10% of infants dying in the neonatal period and is a contributory factor in an additional 25%. Autopsies performed on 76 stillborn and newborn infants revealed pulmonary inflammation of some degree in