View all galleries 1.3_airborn_infection-512.png 1.2_2_billion-512.png 1.1_worlds_biggest_killer-512.png 2.1_10_million-512.png 2.2_1_million_children-512.png 2.3_develop_tb-512.png 3.1_3_million-512.png 3.2_drug_resistant-512.png 3.3_no_treatment-512.png 4.1_40_to_1_spend-512.png 4.2_funding_gap-512.png 4.3_time_to_end_tb-512.png