Shiga toxin-producing Escherichia coli (STEC) is a foodborne pathogen. and serotype O157:H7 is typically associated with severe disease. Australian STEC epidemiology differs from many other countries. as severe outbreaks and HUS cases appear to be more often associated with non-O157 serogroups. https://poolsproductscanadas.shop/product-category/above-ground-liner/