TB screening needs to be targeted for maximum public health benefit

New estimates of the likelihood that a latent case of tuberculosis (TB) will become active have resulted in a roughly 50 percent increase over previous estimates of the number of people needed to be screened (NNS) to prevent an active infection, limiting the cost effectiveness of screening in many Centre for Disease Control and Prevention (CDC)-defined risk groups, according to an analysis conducted by experts in the epidemiology of the disease...

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