In the 15 years of the acquired immunodeficiency syndrome (AIDS) pandemic much has been learnt about its natural history and complications. It is clear that the lung is a major target organ both for the human immunodeficiency virus (HIV), and a wide array of infectious and non-infectious pulmonary complications. A great deal of information on the epidemiology, microbiology, immunology, clinical features, diagnosis and management of these pulmonary complications has accumulated during the past 15 years. Given the enormous explosion in information, it is now timely to bring together this...