Transmission of tuberculosis in an endemic urban setting in Brazil.

SETTING Two out-patient facilities in São Paulo, Brazil. OBJECTIVE To study the transmission pattern of tuberculosis (TB) among human immunodeficiency virus (HIV) infected and uninfected persons in a setting endemic for TB. DESIGN A prospective study comparing HIV-seropositive and -seronegative TB patients identified consecutively between 1 March 1995… (More)