Mycobacterium xenopi Infection in Patients with Human Immunodeficiency Virus Infection

Mycobacterium xenopi is one of the most frequently isolated nontuberculous mycobacteria in Ontario, Canada. We reviewed the records of 28 human immunodeficiency virus (HIV)-infected patients from whom M. xenopi was isolated between 1982 and 1995. M. xenopi was recovered from respiratory specimens from 24 patients, most of whom had clinical and radiographic evidence of pulmonary disease. However, coexistent pulmonary infection due to other …