Which organism is involved in sinusitis?

Streptococcus pneumoniae

- Most common bacterial cause of sinusitis

- Gram-positive, encapsulated, facultative anaerobe

- Colonizes the nasopharynx of healthy individuals

- Can cause a variety of infections, including pneumonia, meningitis, and sepsis

- Sinusitis occurs when S. pneumoniae invades the paranasal sinuses, causing inflammation and infection

- Symptoms of sinusitis include facial pain and pressure, nasal congestion, headache, fever, and fatigue

- Treatment typically involves antibiotics and decongestants