Laboratory Environment Management System - GAL: Assessment of a tool for sentinel surveillance of influenza-like illness, Brazil, 2011-2012.

Objective: to evaluate the Brazilian Laboratorial Environment Management System (GAL) as a data source for the Sentinel Surveillance of Influenza-Like Illness (SSILI).

Methods: this is an evaluation study of GAL, through the analysis of its simplicity, flexibility, data quality, acceptability, representativeness, timeliness, stability and usefulness for SSILI, based on the guide for system evaluation in public health of the Centers for Disease Control and Prevention (Atlanta/GA, USA).

Results: in 2011 and 2012, a total of 13,765 exams for respiratory viruses were registered.