Abstract
Recurrence is a rare complication of Group B Streptococcus (GBS) neonatal infections. We conducted a retrospective observational study on GBS neonatal invasive infections in France from 2007 to 2021. 1,527 cases were reported, of which 36 (2.36%) were recurrent. Recurrence mainly concerned preterm (68%) and low birthweight (72%) infants and was associated with the hypervirulent GBS clonal complex 17 (83%, OR 2.86, 95% CI 1.18-6.92). No beta-lactam tolerant strains were identified and bacterial whole genome sequencing could not reveal any specific feature associated with recurrence. Large cohort studies should be undertaken to address the optimal management of these uncommon diseases.
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