Background : A variant of Klebsiella pneumoniae has emerged more than twenty years ago, and was named "hypervirulent" K. pneumoniae (hvKp). This variant can be differentiated from the "classic" K. pneumoniae (cKp) by its hypermucoviscosity and being incriminated in invasive infections affecting healthy individuals as well as those with immune suppression. Aim: This study aimed to detect the freque...