“…In the prison population, a number of vulnerabilities-overcrowding, late detection of the disease, poorly ventilated facilities, malnutrition, inadequate control of cases and contacts, high HIV prevalence, alcohol, and illicit drugs-are likely to interact, facilitating infection with Mycobacterium tuberculosis and progression of disease 2,[6][7][8][9] . In addition, a high turnover rate within and across prisons 10 , poor access to healthcare, and low adherence to treatment contribute to delayed diagnosis 2,7 , maintenance of the transmission chain, and emergence of multiresistant strains 10 .…”