SEARCH Articles Figures Tables Bacterial infections pneumonia Chlamydia infections pneumonia Chlamydia pneumoniae infections Cytomegalovirus infection pneumonia Haemophilus influenzae infections pneumonia Infection pneumonia Infection pneumonia Infections Klebsiella pneumoniae Klebsiella pneumonia infection Klebsiella pneumonia infection treatment Legionella infections pneumonia Mycoplasma pneumoniae infection treatment Mycoplasma pneumoniae infections Mycoplasma pneumoniae infections antibiotics Mycoplasma pneumoniae infections pneumonia Nosocomial infections pneumonia Pneumococcal infections pneumonia Pneumonia Pneumonia in HIV infection Pseudomonas aeruginosa infections pneumonia Staphylococcal infections pneumonia Streptococcus pneumoniae infection Streptococcus pneumoniae infection treatment Streptococcus pneumoniae infections caused Streptococcus pneumoniae infections penicillin-resistant Streptococcus pneumoniae upper respiratory tract infection Viral infections pneumonia