A nonmotile, gram-negative bacterium(Klebsiella pneumoniae) that causes a severe form of pneumonia and is associated with other respiratory infections.

• 肺炎杆菌一种非游走的革兰氏阴性细菌（肺炎克雷白氏杆菌），它会导致一种严重的肺炎，而且与其他呼吸感染有关