Nontuberculous mycobacteria are ubiquitous and are usually found in soil, natural and treated water sources. They are relatively uncommon cause of pulmonary disease and likely to cause disseminated disease.
May cause both asymptomatic infection and symptomatic disease in humans.
There is no evidence of animal-to-human or human-to-human transmission in immunocompetent hosts.
Nontuberculous mycobacterial pulmonary disease is a generally slowly progressive infection.
Signs and symptoms are generally nonspecific.
Due to the apparent risk of adverse outcomes of disease and adverse events (AEs) associated with short-acting beta-agonists (SABA), the Global Initiative for Asthma (GINA) 2019 guideline recommends that all patients with mild asthma should receive symptom-driven or regular low-dose inhaled corticosteroid (ICS)−containing controller treatment.