Triple carbapenemase-producing Klebsiella pneumoniae ST6668 resistant to novel β-lactam/β-lactamase inhibitor combinations and cefiderocol, Northern Italy, 2025.
Klebsiella pneumoniae ST6668 has recently emerged in Northern Italy, but data on its resistance architecture remain limited. We identified a K. pneumoniae ST6668 (KNVO1) strain co-producing NDM-1, VIM-1 and OXA-48 carbapenemases, via multiple megaplasmids, from an elderly hospitalized patient who experienced clinical d...