Introduction Click to copy section linkSection link copied! Nontuberculous mycobacteria (NTM) are a group of environmental bacteria and are generally nonpathogenic. However, they can cause severe lung infections in immunocompromised individuals or those with pre-existing lung conditions such as cystic fibrosis (CF) and chronic obstructive pulmonary disease (COPD). (1−3) Mycobacterium abscessus (M. ab) is one of the most common NTM species identified in CF patients with lung diseases. M.
