Pasteurella canis Endocarditis in a Healthy Child: A Rare Diagnosis With Unknown Origin

Infective endocarditis is rare and usually affects individuals with risk factors. Pasteurella species commonly causes skin infections, with systemic involvement being unusual. We report the first pediatric case of possible endocarditis caused by Pasteurella canis in a previously healthy boy, without congenital heart disease or prosthetic material, highlighting the importance of considering rare pathogens in atypical clinical presentations.