THE PROJECT INVOLVES THE STUDY AND DEVELOPMENT OF AN INTEGRATED SYSTEM FOR THE MONITORING AND ASSESSMENT OF RISK RELATED TO AERAULIC IMPLANTS IN HOSPITALS. FIRST, THE DEFINITION OF A SPECIFIC PROTOCOL FOR THE TREATMENT OF AIR AND WATER, IN PARTICULAR FOR THE RESOLUTION OF THE PROBLEM OF LEGIONELLA, BUT WHICH ALSO ALLOWS THE OTHER EMERGING PATHOGENS RESPONSIBLE FOR INFECTIONS CONTRACTED IN HOSPITAL TO BE TAKEN INTO ACCOUNT THE NEXT OBJECTIVE IS TO CREATE A SPECIFIC ALGORITHM THAT ALLOWS TO QUANTIFY THE RISK ON THE BASIS OF OBJECTIVE DATA COLLECTED IN THE FIELD AND CURRENT REGULATIONS ON THE SUBJECT, ALLOWING TO IDENTIFY THE SITUATIONS IN WHICH INTERVENTION IS NECESSARY DUE TO A HIGH RISK AND SUPPORTING THE SELECTION OF THE TYPE OF INTERVENTION MOST EFFECTIVE, TO BE CARRIED OUT ON AIR AND WATER SYSTEMS. STARTING FROM THE ALGORITHM, THE RELAY WILL THEN BE IMPLEMENTED.