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Individual IFN-γ responses of 10 TB patients, 7 BCG-vaccinated donors, and 3 nonvaccinated healthy donors stimulated with PPD, recombinant TB10.4 (rTB10.4), or TB10.4 peptide mixture (nine peptides covering the full-length TB10.4 protein). Each symbol represents one donor. Mean values (solid bars) are indicated.
