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Flowchart for recruitment of patients with tuberculosis (TB) for case–control and molecular studies of prisons as reservoir for community transmission of tuberculosis, Brazil, June 2009–March 2013. *Eleven strains were not reactive after freezing, and 5 strains had <5 bands of IS6110. SINAN, Sistema de Informação de Agravos de Notificação (National Notifiable Diseases Information System).
