Abstract Background Escherichia coli is a commensal bacterium of the gastro-intestinal tract of human and vertebrate animals. although the aquatic environment could be a secondary habitat. The aim of this study was to investigate the effect of hydrological conditions on the structure of the E. coli population in the water of a creek on a small rural watershed in France composed of pas... https://parisnaturalfoodes.shop/product-category/brain-b-12-1000mcg/