Tuberculosis contact tracing among children and adolescent referred to children's hospital in Rio de Janeiro, Brazil

Objective: To describe the investigation of latent tuberculosis infection and indication for isoniazid preventive therapy in children and adolescents evaluated at the children's hospital.Methods: This retrospective study examines all latent tuberculosis infection subjects with indication for isoniazid preventive therapy attended during 2002-2009 at the pulmonology outpatient clinic from children's hospital in Rio de Janeiro, Brazil. The subjects were classified into three groups by origin: (G1) primary and secondary health units; (G2) children's hospital-pulmonology outpatient clinic; and (G3)...