The respiratory tract can be infected by many different types of bacteria, which cause many different diseases. The diseases that can be caused by bacteria include:

• Streptococcal Pharyngitis (strep throat)
• Scarlet fever
• Acute Rheumatic Fever
• Acute Glomerulonephritis
• Acute Otitis Media (AOM)
• Otitis Media with Effusion (OME)
• Bacterial Rhinosinusitis
• Diphtheria
• Tuberculosis
• Haemophilus Pneumonia
• Mycoplasma Pneumonia
• Chlamydial Pneumonias
• Health Care-Associated Pneumonia
• Pseudomonas Pneumonia
• Pertussis (Whooping Cough)
• Legionnaires Disease
• Q Fever
• Psittacosis