| klebsiella variicola is a frequent cause of bloodstream infection in the stockholm area, and associated with higher mortality compared to k. pneumoniae. | clinical isolates of klebsiella pneumoniae are divided into three phylogroups and differ in their virulence factor contents. the aim of this study was to determine an association between phylogroup, virulence factors and mortality following bloodstream infection (bsi) caused by klebsiella pneumoniae. isolates from all adult patients with bsi caused by k. pneumoniae admitted to karolinska university hospital, solna between 2007 and 2009 (n = 139) were included in the study. phylogenetic analysis ... | 2014 | 25426853 |