Klebsiella Brain Abscess and Evolution of Heterovirulence in the Urinary Tract - Christoph M. Ernst; Lilly K.S. Fischer; Abigail L. Manson; Li Li; Peijun Ma; Melis N. Anahtar; Roby P. Bhattacharyya; Ashlee M. Earl; Anne E. Clatworthy; Deborah T. Hung (New England Journal of Medicine, 2026)