NPPA and infection: In a retrospective observational cohort study conducted across 12 Italian hospitals [60], 37 patients with infections caused by KPC-producing Klebsiella pneumoniae (KPC-Kp) were enrolled, including 23 BSIs, 10 low respiratory tract infection (LRTIs), 2 cUTIs, 1 ABSSSI, and 1 IAI.