Some 28 contributors, working in a variety of fields, have attempted to set down as briefly as possible the salient points in disease prevention. It is surprising, considering space limitations, how much that is of factual importance they have succeeded in presenting. Not all diseases could be considered, but the major ones seen in daily practice are broadly viewed. Most diseases enter the body via the respiratory or alimentary systems. This is especially true in the case of young children, adolescents, and adults up to 45 years of age. Older people are more likely to suffer from metabolic disturbances. Chapter 15, by Klaus Hummeler, deals with viral diseases of the respiratory tract, especially influenza. In 1933, an influenza virus was first isolated and identified as a specific pathogen. Seven years later, an "A" and a "B" strain, quite different from each other in many respects, were recognized. Since then a
The Early Detection and Prevention of Disease. JAMA. 1957;164(5):616. doi:10.1001/jama.1957.02980050106028
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