Legionella
Legionella pneumophila
Medicine
Pneumocystis jirovecii
Pneumonia
Tuberculosis
Bronchoalveolar lavage
Pneumocystis carinii
Legionnaires' disease
AIDS-Related Opportunistic Infections
Microbiology
Mycobacterium tuberculosis
Virology
Human immunodeficiency virus (HIV)
Immunology
Internal medicine
Sida
Viral disease
Bacteria
Biology
Lung
Pathology
Genetics