[Microflora and immunity in surgical patients. I. Some microfloral indices in the pre- and postoperative periods].

Surgical treatment can lead to the appearance of a purulent staphylococcus infection of endogenous etiology. Endogenous infection originates as a result of the patient's diminished resistance, indicated by an increase in the number of pathogenic staphylococci, the appearance of representatives of the intestinal flora in the oral cavity and on the surface of the skin. No iogenous purulent infection.