Early Risk Assessment in Household Contacts (≥10 Years) of TB Patients by New Diagnostic Tests in 3 African Countries

"The following new diagnostic tests will be done after the completion of the study with the samples (blood, sputum, urine) and data (digital X-ray) obtained during the study period:~CAD4TB / qXR Xpert Ultra® FLOW-TB TAM-TB 4RISK and COR Cepheid 3-gene signature cartridge BioMérieux ISIT TB blood transcription signature assay Multiplex LSHTM in-house host biomarker assay TB Screen biosignature SeroSelect~Retrospective testing of participants' samples and data acquired during the study period, differentiated between participants with co-prevalent/incipient TB and participants staying health throughout the trial"