The coming to light of new concepts in environmental microbiology, particularly the notions of bacterial adhesion and of biofilm or of cells in starvation, conducted to an evolution of the standardization of the controlled contamination area. It is necessary to match to the biocontamination of hazard area the principles governing the quality insurance used in alimentary industry named HACCP (hazard analysis of control critical point). This method will have to be applied wilfully to all the fields where a patient or a product risk a biocontamination.
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