Table 3.

Bacteria that can cause lower respiratory tract infections9, 14

Bacteria	Disease
Bordatella pertussis	Acute bronchitis
B. parapertussis
Mycoplasma pneumoniae
nonencapsulated Haemophilus influenzae	Chronic bronchitis
Streptococcus pneumoniae
Moraxella catarrhalis
Chlamydia trachomatis	Community‐acquired pneumonia
Pneumocystis jiroveci
M. pneumoniae, Chlamydia pneumoniaea
S. pneumoniae
H. influenzae type b
S. aureus, Legionella spp., Acinetobacter, M. catarrhalis, C. pneumoniae, Meningococci
Pseudomonas aeruginosa, Enterobacter spp., Klebsiella spp., other Enterobacteriaceae, MRSA, Acinetobacter spp.,S. pneumoniae, anaerobes, Legionella spp., H. influenzae	Hospital‐, ventilation‐ and healthcare‐associated pneumonia
Mycobacterium tuberculosis	Pneumonia (patients with compromised immune system)

MRSA: methicillin‐resistant Staphylococcus aureus