Endocarditis Caused by Gram-Negative Moraxella osloensis in an Immunocompetent Patient: First Case Report in Latin America.

This is a case report of infective endocarditis due to Moraxella osloensis. This study would be the fourth since the two latest episodes were described in 2015. The patient of this exposition is different from those previously described in the literature because it was a young adult, under 50 years of age, immunocompetent, with no comorbidities and no obvious focus of infection.