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Nosocomial infections: a glimpse into the '80s.

The 1970s saw many changes in the way physicians dealt with infections. For example, greater emphasis was placed on specific risk environments rather than on the hospital's general physical environment and significant progress was made in controlling diseases such as post-transfusion hepatitis. Many challenges remain for the '80s, however, such as development of a data base to determine what infection control practices are the most cost-effective and development of a model for describing and measuring infection risk.