Effect of community-wide preventive therapy on tuberculosis among South African gold miners using isoniazid.

 Gauteng, North West, and
Free State Provinces, South Africa

Impact of TB preventive therapy for HIV/TB co-infected patients with access to highly active antiretroviral therapy in Rio de Janeiro, Brazil: a phased implementation trial.

 Rio de Janeiro, Brazil

ZAMSTAR: Zambia and South Africa tuberculosis and AIDS reduction study.

  Zambia and the
Western Cape Province, South Africa