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Staphylococcus aureus is among the most commonly identified causes of invasive bacterial infection in children; however, reliable results from cultures of sterile-site samples often cannot be obtained, which necessitates prescription of a broad empiric antimicrobial agent(s). Children with invasive S aureus infection rapidly generate high antibody titers to the cytotoxin LukAB; therefore, the aim of this study was to assess the diagnostic utility of an anti-LukAB antibody assay for children with musculoskeletal infection (MSKI).

We conducted a survey of pediatric infectious diseases providers in the Emerging Infections Network regarding the workup and treatment of children with Staphylococcus aureus bacteremia (SAB). We found significant practice variation in the management of children with SAB. These findings emphasize the need for further research to guide best practices.