What question did this study set out to answer?

To describe a rare case of S. salivarius bacteremia leading to meningitis and infective endocarditis in an immunocompetent individual.

March 26, 2026CureusOpen Access

Unpredictable Virulence of a Benign Commensal: Streptococcus salivarius Bacteremia and Infective Endocarditis in an Immunocompetent Patient

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Case report reveals severe infection from a typically benign bacterium in an unexpected host, indicating potential risks.

To describe a rare case of S. salivarius bacteremia leading to meningitis and infective endocarditis in an immunocompetent individual.
Case report of a 74-year-old woman post routine dental cleaning
Blood cultures and cerebrospinal fluid analyses were performed
Imaging via MRI and CT angiography conducted to assess neurological complications
Echocardiography used to diagnose infective endocarditis
Patient diagnosed with S. salivarius bacteremia and infective endocarditis
Presented with severe headache, photophobia, and meningitis symptoms
Blood cultures confirmed the presence of S. salivarius
Follow-up imaging showed resolution of vegetation after treatment with ceftriaxone

Bravo et al. (2026) studied this question.

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