USC is one of the universitary institutions with more tradition in Spain, celebrating in 1995 its 5th Centennial. USC is a public institution with legal entity and own patrimony, which develops its functions through the study, teaching and research, activities for which it has full autonomy. Today, the USC has two campus and its installations that represent an area of 1.300.000 m2. USC also possesses an important variety of infrastructures, both for teaching and research, for its approximately 40.000 students and more than 2.000 professors and researchers. Within this structure the Departamento de Microbiología y Parasitología of the Facultad de Biología has been involved on investigations on the role of molluscs as vectors of enteric viruses, including hepatitis A virus, norovirus and astrovirus, for more than ten years. On the other hand, it has a strong group devoted to research on bacterial and viral fish pathology. The department also develops advisory work for different public and private institutions, including the Regional Government (Ministries of Fish & Aquaculture and Public Health), different companies within the Aquaculture industry, international commissions, etc.