Does projects with Gram Positive bacterias like S. aureus and L. monocytogenes that are isolate from hospitalary and food enviroments, with the object of studying its patterns of resistence and sensibility to different antimicrobes. It also works with themes of food safety doing projects that focus in the isolation and caracterization of pathogens that have a food origin such as: Campylobacter, L. monocytogenes and S. aureus.