IL2 and infection: Virtually, four animals (IDs:8022, 8014, 8013, 8006) in Picostim/IL2-treated group did not show any gross TB lesions in lung tissues (Fig. 2, Fig. S1 in Text S1), three animals displayed localized TB lesions limited to the right caudal lobe (infection site) of lungs (Fig. 2), and only two macaques showed apparent TB lesions involving the right caudal and middle lung lobes or left lower lobe (Fig. 2, Fig. S1 in Text S1).