The aims of this study are to describe the trends in reported NTM incidence in the last 16 years in the state of Queensland and to examine if increased in incidence occurred in particular areas of Queensland and for specific NTM species. Exploration of climatic, geospatial and major weather events as possible explanations for variation in disease incidence will be undertaken in collaboration with the Population Health units of the University of QLD (Luke Knibbs) and ANU (Colleen Lau).