Nosocomial pneumonia is acquired during a hospital stay. It happens when a patient is admitted into the hospital with a medical diagnosis that they are hoping to be treated for and contract the infection of pneumonia through the spread of germs. “Nosocomial pneumonia (NP) clinically presents more than seven days after hospitalization with new fever, pulmonary infiltrates, and leukocytosis. Nosocomial pneumonia is a common nosocomial bacterial infection and is most prevalent in medical and surgical intensive care units. The most common pathogens associated with NP are: P aeruginosa, Klebsiella pneumoniae, Escherichia coli, and S marcescens (Medscape, 2015). Whereas community acquired pneumonia is contracted in the community. “Community-acquired pneumonia (CAP) is one of the most common infectious diseases and is an important cause of mortality and morbidity worldwide. CAP is usually acquired via inhalation or aspiration of pulmonary pathogenic organisms into a lung segment or lobe” (Medscape, 2015). The most common organisms involved in causing CAP are: Streptococcus pneumoniae, Haemophilus influenza, and Moraxella catarrhalis.…