microbial contamination in the operating theatre: a study in a hospital in baghdad.contamination of the operating theatre is a major cause of nosocomial infection. this study aimed to evaluate the incidence of bacterial contamination of operating theatres in al imam ali hospital in baghdad, and the source of contamination. from 1216 swabs collected from surfaces, equipment and antiseptic solutions from different operating theatres in 2001 and 2002, the rates of positive cultures were 3.7% in 2001 and 4.0% in 2002. staphylococcus epidermidis was the most common isolate in 2001 ...200919469446
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