British Columbia Centre for Disease Control (BCCDC), Vancouver, Canada.
To determine the incidence of non-tuberculous mycobacteria (NTM) and to assess the impact of new laboratory techniques.
Population-based study of all subjects with positive cultures for NTM from 1990 to 2006.
Mycobacterium avium complex (MAC) was the most common NTM isolate (77%). The median incidence rates per 100 000 population in the total sample were respectively 6.7, 4.5 and