Mycobacterial species responsible for tuberculosis and mycobacteriosis cases in the Czech Socialist Republic, 1981-1985.

This study is based on the analysis of nation-wide notification data on the bacteriologically proved mycobacterial infections registered in the national Information System on Bacillary Tuberculosis. Over the 5-year period under study, as many as 2,226 M. tuberculosis isolations were on average reported annually in the country (i.e. 21.6 per 100,000 population), and of these 62.5% were isolations in males, 63.5% were repeated isolations and 87% were isolations from sputum specimens; identification of human of M. bovis infection was reported in 13 patients annually only, mostly in those of higher age categories. The annual average of notified M. kansasii isolations was 138 (1.3 per 100,000 population), repeated isolations of the agent were reported in 66.6% of patients, mostly males 45-54 years old, and 81% of all reports came from an endemic area in the North-Moravian Region; notification of positive M. avium-intracellulare isolations occurred in 24 persons annually, in 48% of these repeatedly, M. xenopi isolation was reported in 87 and M. fortuitum/chelonei in 12 cases annually.