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. Author manuscript; available in PMC: 2012 Nov 21.
Published in final edited form as: Vaccine. 2011 Oct 18;29(50):9308–9315. doi: 10.1016/j.vaccine.2011.10.019

Figure 2.

Figure 2

Colony forming units (CFU) in the lungs and spleens of mice vaccinated with three sub-strains of BCG, Connaught, Sweden and Pasteur at 6 and 12 months prior to low dose aerosol infection with M. tuberculosis H37Rv. CFU were determined at 30 days post-infection by plating organ homogenates on 7H11 agar. N = 5 mice per group per time point. * = p<0.05 and ψ = p<0.001.