👉 Klebsiella is a genus of bacteria in the family Klebsiella. It belongs to the order Proteobacteria, which includes many other types of bacteria. The genus name "Klebsiella" comes from the Greek word "klesis," meaning "small intestine." Klesis refers to the small intestine, and the genus is named after the bacterium's discovery by Austrian microbiologist Friedrich Wilhelm von Klebs in 1869. The genus "