GeneXpert rollout in three high-burden tuberculosis countries in Africa: A review of pulmonary tuberculosis diagnosis and outcomes from 2001 to 2019.

Background: The rollout of GeneXpert aimed at increasing early diagnosis of tuberculosis to improve treatment outcomes and global tuberculosis targets.

Objective: This study evaluated trends in tuberculosis diagnosis and outcomes pre- and post-introduction of GeneXpert in three African countries - the Democratic Republic of the Congo (DRC), Nigeria and South Africa.

Methods: Data from 2001 to 2019 were extracted from the World Health Organization's data repository.