Streptococcus agalactiae Meningitis in an Immunocompetent Adult: A Case Report and Literature Review.

Streptococcus agalactiae is a rare cause of meningitis in healthy adults. We herein report a case of culture-negative Streptococcus agalactiae meningitis in a healthy adult which was diagnosed using the FilmArray Meningitis and Encephalitis Panel. A healthy 22-year-old man presented with a fever, headache, and neck stiffness.