Introduction: Cow’s milk has been considered for years as the primary source of food and nutrition in humans because no other food presents better nutritional values than the ones it offers to people who ingest it. However, poor milking practices and a lack of knowledge of the personnel involved in producing artisan cheese cause the products that are part of our daily diet to be contaminated with Staphylococcus aureus. Objective: To determine the presence of Staphylococcus aureus in cheese sold in the ‘El Arenal’ market in Cuenca – Ecuador, during March 2023. Methodology: The universe consists of the merchants of the ‘El Arenal’ market in the city of Cuenca -Ecuador. Thirty-two samples were collected from eight designated stalls selling art...