[Acute endocarditis caused by Kingella kingae in an infant].

A case of bacterial endocarditis in a one year-old boy is reported. There was no underlying heart disease. The organism was a Kingella kingae, an aerobic Gram negative bacillus, a normal inhabitant of the upper respiratory tract. It has rarely been implicated as a pediatric pathogen. Occasionally it can cause bone and joint infections and exceptionally endocarditis.