Community-Acquired Pneumonia (CAP)

Community-acquired pneumonia (CAP) is a common health problem that may still be life threatening in an age of wide availability of effective antibiotic therapy. The annual incidence rate rises from 6/1000 in the 18–39 age group to 34/1000 in people aged 75 years and over (Blasi et.al., 2007). Hospital admission is necessary in 20–40% of cases, with 5–10% of these patients being admitted to an intensive care unit (ICU). Overall mortality from CAP is 5–10% (Hoare and Lim, 2006).

Bacterial infection
Streptococcus pneumonia
Haemophilus influenzae
Escherichia Coli
Klebsiella pneumoniae
Pseudomonas aeruginosa
Atypical infection
Mycoplasma pneumoniae
Coxiella burnetti
Chlamydia psittaci
Legionella pneumophila
Fungal infection
Aspergillus
Candida
Nocardia
Histoplasmosis

Viral infections
Influenza
Coxsackie
Respiratory syncytial
Cytomegalovirus
Adenovirus Protozoal infections
Pneumocystis carinii
Toxoplasmosis
Amoeboesis Others
Aspiration
Bronchiectasis
Cystic fibrosis
Lipoid pneumonia
Radiation