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[The role of prevention of infectious diseases in health maintenance].

The prophylaxis of infectious diseases is one of the triumphs of medical science. In examining the role and the responsibility of the physician in this activity the author emphasizes the importance of fundamental research (in the laboratory and the clinic), the need to employ prophylactic measures which are known to be effective, and, finally, the obligation of individual physicians and organized medicine to assume responsibility for problems which extend beyond their national boundaries. The encouragement of preventive medicine depends, among other factors, upon the development of a strong personal relationship between patient and physician. The current system for the remuneration of physicians hinders this relationship instead of promoting it.