This book consist in processing data relating to all infectious disease notifications and conduct an analysis of the criticality of the system in terms of data quality and simplicity of the system according to the criteria of the CDC (2004). There are included all the reported infectious diseases from the monthly reporting system for the period 1998-2009 and there are assessed individual notification forms of infectious diseases which constitute the key point of the system of surveillance of these diseases from which depends and quality and reliability of monthly reporting data. The analysis...