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. 2019 Apr 15;14(4):e0215322. doi: 10.1371/journal.pone.0215322

Fig 2. Incidence of tuberculosis among 953 infected contacts (close and frequent contacts) detected through contact tracing of sputum smear-positive pulmonary tuberculosis cases.

Fig 2

Results stratified by prescription and completion of latent tuberculosis infection treatment. Barcelona 2008–2016. Absolute value and 95% confidence intervals; TB: tuberculosis; LTBI: latent tuberculosis infection.