Non-tuberculous mycobateria isolated from an epidemiological survey in rural population of Bangalore district
Chauhan, M.M. (1993) Non-tuberculous mycobateria isolated from an epidemiological survey in rural population of Bangalore district. Indian Journal of Tuberculosis, 40. pp. 195-197.
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Four thousand and fifteen sputum specimens from chest symptomatics aged 10 years and above, identified in an epidemiological survey were subjected to modified Petroff's method of culture. Of these, 145 (3.6%) specimens grew acid fast bacilli (AFB), 44 of these cultures (1.1%) being identified as M. tuberculosis, while the remaining 101 cultures (2.5%) were classified as nontuberculous mycobacteria (NTM). The most commonly isolated nontuberculous mycobacteria were rapid growers (48%), followed by scotochromogens (26%) and non-chromogens (22%). The most frequently isolated NTM species were M. phlei (16.7%) followed by. M. gordonae (13.3%) and M. scrofulaeum, M. avium complex, M. xenopi, M. fortuitum complex and M. chelonei complex 3.3% each.
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