No. of Strains
Susceptibility to indicated druga
RIF
INH
STR
EMB
28
Rb
R
R
R
4
R
R
Sc
S
2
R
R
R
S
1
R
R
S
R
Table 1:
Drug susceptibility patterns of MDR
M. tuberculosis
strains; a RIF-rifampcin; INH-isoniazid; EMB-ethambutol; STR-streptomycin, bR-resistant, cS-sensitive