Recurrent mycobacterial infections Recurrent mycobacterium avium complex infections 2011-12-28T12:16:46Z Increased susceptibility to mycobacterial avium complex infections, as manifested by recurrent episodes of mycobacterial infection. HP:0011275 Mycobacterium avium complex (MAC) is a group of species including M. avium, M. avium paratuberculosis, and others. Disseminated MAC infections can be seen associated with HIV infection. Pulmonary disease and cervical adenitis are other sequellae of MAC infection. UMLS:C1737260