Interleukin-33 facilitates neutrophil recruitment and bacterial clearance in S. aureus-caused peritonitis

•We examined the role of IL-33 on acute peritoneal infection induced by S. aureus.•IL-33 accelerates bacterial clearance and reduces the mortality caused by S. aureus.•IL-33 facilitates the expression of CXCR2 and infiltration of neutrophils into the infectious site.•IL-33 priming also are crucial f...

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