According to Brisse et al. (2014), this species is a later heterotypic synonym of Klebsiellavariicola Rosenblueth et al. 2004.Publication:
Brisse S, Passet V, Grimont PA. Description of Klebsiella quasipneumoniae sp. nov., isolated from human infections, with two subspecies, Klebsiella quasipneumoniae subsp. quasipneumoniae subsp. nov. and Klebsiella quasipneumoniae subsp. similipneumoniae subsp. nov., and demonstration that Klebsiella singaporensis is a junior heterotypic synonym of Klebsiella variicola. Int J Syst Evol Microbiol 2014; 64:3146-3152.
The full TRBA 466 classification is: risk group = 1, note = "ht".