Summary Objective To improve tuberculosis (TB) diagnosis in prison, we evaluate the value of XpertⓇMTB/RIF Ultra assay (Xpert) as point-of-care (POC) a French prison hospital. Methods We first validated Xpert use on raw sputum at referent laboratory. Secondly, trained physicians hospital performed tests for each patient presenting TB symptoms. The results were compared with Xpert, microscopic e...