All the following cause community acquired pneumonia EXCEPT:

Ans. (a) StaphylococciRef: Microbiology by Ananthanarayan and Paniker 8th ed. /199-200* Staphylococci causes hospital acquired pneumonia.* Community-acquired pneumonia (CAP) is pneumonia acquired infectiously from normal social contact (that is, in the community).* CAP is a common illness and can affect people of all ages. It often causes problems like difficulty in breathing, fever, chest pains, and a cough.* CAP occurs throughout the world and is a leading cause of illness and death.* Causes of CAP include bacteria, viruses, fungi, and parasites.* The most important infection in newborns is caused by Streptococcus agaladiae, also known as Group B Streptococcus or GBS. It causes >50% of cases of CAP in the first week of life.* Streptococcus pneumoniae is the most common cause of community acquired acute pneumonia in adults. It is the most common cause of lobar pneumoniaCausesIn InfantsIn Adults* Group B Streptococcus* Streptococcus Pneumoniae* Escherichia coli* Klebsiella pneumoniae* Moraxella catarrhalis and* Streptococcus pneumoniae* Hemophilus influenza* Escherichia coli* Klebsiella pneumoniae* Influenzai, Paranifluenza and RSV virus