Mycobacterium avium complex (MAC) is the leading cause of nontuberculous mycobacteria pulmonary disease (NTM-PD) worldwide, a wide spectrum of morbidity https://genomemedicine.biomedcentral.com/articles/10.1186/s13073-025-01549-y Study reveals how a stubborn lung infection evolves inside patients over years https://medicalxpress.com/news/2025-10-reveals-stubborn-lung-infection-evolves.html