Prosthetic valve endocarditis caused by .

Infective endocarditis (IE) caused by is rare. The true incidence rate of this pathogen is likely underestimated as this is easily misidentified as or . It is also associated with increased risk of complications such as systemic emboli. usually affects elderly males with underlying urological conditions. Here we present a case of IE with this rare in a young man with a bioprosthetic aortic valve, despite negative urine cultures.