Open AccessCHANGE IN SEASONAL DISTRIBUTION OF DISEASE IN CHICAGO; AND RELATION OF INFLUENZA THERETO
Author(s) -
W. A. Evans
Publication year - 1919
Publication title -
american journal of public health
Language(s) - English
Resource type - Journals
eISSN - 2330-9687
pISSN - 0271-4353
DOI - 10.2105/ajph.9.10.760
Subject(s) - bronchitis , pneumonia , medicine , disease , demography , environmental health , gerontology , sociology
Against a decline in prevalence of many diseases and a generally decreasing mortality in the past fifty years, the pneumonia-bronchitis-influenza rate is today higher than in 1871. It is indeed the only bacterial group of maladies the prevalence of which has not diminished.