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Infectious Pneumonias of Early Infancy

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


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