Osmosis video - Mycobacterium avium complex (NORD)

Mycobacterium avium complex or just MAC, is a group of bacteria that includes Mycobacterium avium, Mycobacterium intracellulare, and Mycobacterium Chimaera. These are acid-fast bacilli, non-motile, facultative intracellular, aerobic bacteria found in soil and water, and are known to cause respiratory infections. MAC infections often attack people with weakened immune systems, such as those with AIDS, and lymphadenitis in children. Symptoms of MAC include fever, night sweats, weight loss, and a persistent cough.