Table 1.

The Clinical Characteristics of hvKP and cKP

Characteristics	Hypervirulent Klebsiella pneumoniae (hvKP)	Classic Klebsiella pneumoniae (cKP)
Infection type	Community/nosocomial, community predominant	Nosocomial
Host	Healthy individuals	Immunocompromised patients
Infection sites	Pyogenic liver abscess, endophthalmitis, meningitis, necrotizing fasciitis	Urinary tract infections, bloodstream infections, abdominal infections, pneumonia
Metastatic	Common	Uncommon
Prevalent region	Asia Pacific, sporadically in Africa	Worldwide
Phenotype	Hypermucoviscosity, string≥5mm	Non-hypermucoviscosity, string<5mm
Serotypes	K1, K2, K5, K20, K54, K57	K1-K78