Table 1. Drug sensitivity testing of M. bovis BCG strains.

BCG strains	Minimum inhibitory concentration (MIC, μg/ml)
	Streptomycin	Rifampicin	Rifabutin	Ethambutol	Isoniazid
Pasteur	0.125	0.0005	0.002	0.5	1
Japan	0.125	0.0005	0.002	0.5	0.25
Tice	0.125	0.00025	0.002	0.5	1
Danish	0.015	0.000125	0.002	0.5	0,25
Phipps	0.125	0,001	0.002	1	1
Connaught	0.125	0.000125	0.002	1	1
Prague	0.03	0.000125	0.002	1	1.5
Birkhaug	—	—	—	—	—
Frappier	0.125	0.0005	0.002	1	1
Glaxo	0.125	0.00025	0.002	1	1
Russia	—	—	—	0.5	0.03
Sweden	0.03	—	0.002	0.5	0.015
Moreau	—	—	—	—	—
China	0.125	00005	0,002	1	1

The sensitivities of fourteen different BCG strains to streptomycin, rifampicin, rifabutin, ethambutol and isoniazid were determined.