| epidemiologic aspects of nosocomial infections. | in a currently ongoing surveillance of hospital-associated infections in two metropolitan hospitals in oklahoma, the results over a four-month period suggest at least tentative principles of host-agent relationships in hospital-associated infections. within the urinary tract, the site with the highest number of total isolations, escherichia coli and klebsiella pneumoniae were the most common pathogens. by age, the under 5 and over 60 year age groups had the highest number of isolations. staphylo ... | 1976 | 1257828 |