A Study of the Bacteriologic Patterns of Hospital Infections

Abstract
A surveillance for hospital acquired infections over a 2 mo. period revealed that 6% of patients who were admitted to the hospital would eventually develop an infection. Almost 2/3 of the hospital acquired infections were due to gram-negative bacilli which not only as a group but also individually replaced Staphylococcus aureus as the most important agents in hospital infections. The urinary tract is a common site for hospital infections but the respiratory was even more frequently involved in this study. A study of an outbreak of respiratory infections with Pseudomonas aeurginosa revealed that it was associated with contaminated intermittent positive pressure breathing apparatus.

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