An obligate intracellular bacteria
Common cause of community-acquired pneumonia, particularly an atypical pneumonia
Most recent studies have shown that <1% of cases of community acquired penumonia are caused by chlamydia pneumoniae
Chlamydophila pneumoniae
Gram-positive
Mycoplasma pneumoniae
Streptococcus pneumoniae
Haemophilus influenzae
Staphylococcus aureus
Gram-negative
Moraxella catarrhalis