streptomycin was 1st used for TB
1949
introduction of BCG vaccination program
1951
use of triple anti-TB therapy consisting of H, PAS, S
enactment of Tuberculosis Law (RA 1136) 1954
use of sputum microscopy as diagnostic tool for TB
1968
Xpert MTB/RIF as new tool for rapid diagnosis of TB and for determination of rifampicin resistance
2011