“…To control the spread of TB and eventually eliminate it, PTB must be effectively controlled. The key to controlling PTB is early identification, and the success of early identification makes early and effective treatment possible ( Amirkhani et al ., 2021 ). Acid-fast bacilli (AFB) smear, a conventionally used method for TB detection, is convenient, simple, rapid, and cost-effective, although it also has nonnegligible shortcomings, including low sensitivity and inability to differentiate between TB and nontuberculous mycobacterial infections ( Belknap, 2019 ).…”