Common Causes of Pneumonia: Neonates (< 4 Weeks Old)
- Group B Streptococci
- E. coli
Common Causes of Pneumonia: Children (4 Weeks - 18 Years)
- Runts May Cough Chunky Sputum
- RSV (Viruses)
- Mycoplasma
- Chlamydia pneumoniae
- Chlamydia trachomatis
- Streptococcus pneumoniae
Common Causes of Pneumonia: Adults (18 - 40 Years Old)
- Mycoplasma
- Streptococcus pneumoniae
- Chlamydia pneumoniae
Common Causes of Pneumonia: Middle-Aged Adults (40 - 65 Years Old)
- Streptococcus pneumoniae
- Mycoplasma
- Haemophilus influenzae
- Anaerobes
- Viruses
Common Causes of Pneumonia: Elderly (65+ Years Old)
- Influenza Virus
- Haemophilus influenzae
- Anaerobes
- Streptococcus pneumoniae
- Gram-Negative Rods