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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Int J Tuberc Lung Dis. 2015 Apr;19(4):454–462. doi: 10.5588/ijtld.14.0608

Figure 2.

Figure 2

IFN-γ responses (pg/ml) measured by ELISpot in response to A) M. tuberculosis PPD, B) BCG, C) TB 10.4, D) ESAT-6/CFP-10 and E) SEB in infants vaccinated at birth (early, open circles) vs. at 14 weeks (delayed, grey circles) measured at 14, 24 and 52 weeks of age. Lines represent medians and interquartile ranges. * P < 0.05. † P < 0.001. IFN-γ = interferon-gamma; PPD = purified protein derivative; BCG = bacille Calmette-Guérin; ESAT-6 = early secreted antigenic target 6; CFP-10 = culture filtrate protein 10; SEB = staphylococcus enterotoxin B.