21 research outputs found
Direct Test for Determining Sensitivity of M. Tuberculosis To Streptomycin
For a total of 400 sputum specimens, the sensitivity of M. tuberculosis to streptomycin
was determined by direct inoculation of the sputum sediment on to drug-free and drugcontaining
slopes of Lowenstein-Jensen medium, and also by a standard indirect test.
Agreement between the two methods in the classification of strains as sensitive or resistant
was of the order of 90%. The optimal time for reading the direct test is 6 weeks