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. 2021 Mar 27;73(6):1037–1045. doi: 10.1093/cid/ciab269

Figure 2.

Figure 2.

Flow diagram of household contacts with complete testing and exposure data to determine resistance to Mtb infection. Abbreviations: HHC, household contact; IGRA, interferon-gamma release; Mtb, Mycobacterium tuberculosis; TB, tuberculosis; TST, tuberculin skin test.