“…Although TB is a preventable disease requiring coordinated systematic efforts, the prevalence is in fact the iceberg of the epidemiological burden and a child with active TB represents a sentinel event in the community, reflecting the intensive transmission among all the individuals. (2) Clinical symptoms of TB in children are often nonspecific, leading to a delayed diagnosis and a long period when the child is contagious and without specific treatment to prevent secondary transmission (9), and during this time the child, often immuno-suppressed, is exposed to the pressure of the circulating community pathogenic flora, often aggressive and with a high level of antibiotic resistance (10).…”