摘要：

Meningitis caused by Streptococcus gallolyticus subspecies (subsp.) pasteurianus is a rare complication with 14 cases reported in literature worldwide between 2003-2023, with the majority of the cases occurring before 4 weeks of life and with preceding symptoms. This is a case report of an infection without any preceding symptoms. A previously healthy 7-week-old boy presented to the hospital with a fever for 1 day. Blood and cerebrospinal fluid cultures ultimately grew Streptococcus gallolyticus subsp. pasteurianus. The magnetic resonance imaging was consistent with meningitis. The boy received 21 days of intravenous antibiotics before discharge. At subsequent visits, the boy had no neurological sequelae, normal hearing tests, and appeared to have met all developmental milestones. The older age of infant should not discount the differential diagnosis for meningitis, which may delay further work up such as a lumbar puncture. Group D streptococcus is an uncommon cause of infantile sepsis that can lead to several complications such as meningitis and bacteremia. In this case, the infant's subsequent post-meningitis clinical course has been unremarkable. The history of meningitis poses increased risk for abnormal neurodevelopmental outcome. This case study highlights the importance of keeping meningitis on the differential diagnosis for an infant with fever. If there is a concern for meningitis, further workup should be performed without delay.

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