Introduction. Pork meat is a very well regarded food, with high protein content and a good price. It is highly consumed in Cartagena, and this easy commercialization eases that in some cases the meat is not kept and sold under the most strict hygiene conditions. Keeping this meat under inadequate conditions brings infectious agents and an exaggerated number of microorganisms that create a public health problem. Objective. Determine E. coli and identify the O157:H7 serotype in pork meat