Technical guidelines for sentinel surveillance

Sentinel surveillance includes a wide range of activities, aimed at knowing the evolution of certain health problems in the general population or in specific groups; to do so, it attempts to obtain a measure of the frequency of events in the country, without having to go to extensive and expensive surveys. The fundamental purpose of this type of surveillance is to obtain timely information of interest to public health at a lower cost. This document establishes the activities and roles of the sentinel surveillance teams, as well as the objectives, sentinel sites, case definition, steps for surveillance, data necessary for analysis, flowchart, data analysis and laboratory procedure for sentinel surveillance. rotavirus, pneumonia and bacterial meningitis, influenza virus and other respiratory viruses