The performance of a new triage test for active tuberculosis (TB), SeroSelectTB, will be qualified in multi-centre randomised controlled trials at health-posts in South Africa, Tanzania and Ethiopia. Cost effectiveness evaluations will be conducted to support a value proposition to stakeholders and regulatory authorities, and to support commercialization requirements. Consenting adults will provide blood and saliva samples for screening by SeroSelectTB, and sputum collected for routine TB diagnosis by the health services. Clinical and sociodemographic information will be collected. A reliable rapid test will make it possible to identify and selectively treat those with active TB at the local healthcare level. The expected impact includes accurate same-day diagnosis of patients with active TB, reduction of diagnostic delay and TB transmission, and diagnostic cost-savings for patients and healthcare systems in high TB-burden countries.
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To determine the impact of SeroSelectTB on health systems' diagnostic delay in Ethiopia, Tanzania and South Africa.
Timeframe: The time points will be measure from the data of SeroSelectTB test or standard-of-care until the start of treatment (when active TB is diagnosed). Participants receiving TB therapy will be followed for 6 months according to national routines.