“…M. xenopi is a slow growing mycobacterium that has been known to cause NTM infection in humans for decades, yet little is known about optimal treatment, correlation of in vitro susceptibility testing and outcomes, resistance mechanisms, and strain typing with whole genome sequencing [1] , [2] , [3] , [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] .…”