American literature is the literature written or produced in the area of the United States and its preceding colonies. For more specific discussions of poetry and theater, see Poetry of the United States and Theater in the United States.illiam Faulkner (1897â1962) is notable for novels like The Sound and the Fury. American drama attained international status only in the 1920s and 1930s, with the works of Eugene O'Neill, who won four Pulitzer Prizes and the Nobel Prize.
1 Several types of bacteria, including Legionella pneumophila, Mycoplasma pneumoniae, and Chlamydophila pneumoniae, cause atypical pneumonia. 2  It is sometimes called  walking pneumonia and is referred to as atypical because its symptoms differ from those of other types of bacterial pneumonia.
Bacterial Pneumonia Causes. 1  Most pneumonia is caused by bacteria or a virus. 2  Pneumonia from any cause can occur at any age, but people in certain age groups are at higher risk for certain types of pneumonia. The most common way you catch pneumonia is to breathe infected air droplets from someone who has pneumonia. 2  Another cause is an improperly cleaned air conditioner. 3  Yet another source of infection in your lungs is spread by an infection from somewhere else in your body, such as your kidney.