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Virulence Characteristics of Klebsiella and Clinical Manifestations of K. pneumoniae Bloodstream Infections
Open accessAbstract
We studied 455 consecutive episodes of Klebsiella pneumoniae bacteremia occurring in 7 countries. Community-acquired pneumonia and an invasive syndrome of liver abscess, meningitis, or endophthalmitis occurred only in Taiwan and South Africa. Infections by K1 and K2 capsular serotype, the mucoid phenotype, and aerobactin production were important determinants of virulence. The mucoid phenotype was seen in 94% of isolates in patients with community-acquired pneumonia and in 100% of isolates that caused the invasive syndrome in Taiwan and South Africa, compared with only 2% of isolates elsewhere. Mortality of mice injected with mucoid strains (69%) was strikingly higher than that occurring in mice injected with nonmucoid strains (3%, p < 0.001). Differences in clinical features of bacteremic infection with K. pneumoniae are due to the virulence factors expressed by the organism.
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Iron availability and infection
Weinberg, E. D. (2009) · Biochimica et Biophysica Acta (BBA) - General Subjects · doi:10.1016/j.bbagen.2008.07.002 · Cited by 516
Metadata
- Authors
- Yu, V. L., Hansen, D. S., Ko, W. C., Sagnimeni, A., Klugman, K. P., von Gottberg, A., Goossens, H., Wagener, M. M., Benedi, V. J., & the International Klebsiella Study Group
- Venue
- Emerging Infectious Diseases
- Published
- 2007-07
- Volume
- 13
- Issue
- 7
- Pages
- 986-993
- ISSN
- 1080-6040 (ISSN-L)
- 1080-6059
- OpenAlex
- W2146266399
- Cited by
- 327
- References
- 0
- FWCI
- 7.67
- Type
- journal article
- Language
- en
- Open access
- diamond
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- CoChat. (2026). Citation check: Virulence Characteristics of Klebsiella and Clinical Manifestations of K. pneumoniae Bloodstream Infections. https://app.cochat.ai/papers/10.3201/eid1307.070187
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- Yu, V. L., Hansen, D. S., Ko, W. C., Sagnimeni, A., Klugman, K. P., von Gottberg, A., Goossens, H., Wagener, M. M., Benedi, V. J., & the International Klebsiella Study Group. (2007). Virulence Characteristics of Klebsiella and Clinical Manifestations of K. pneumoniae Bloodstream Infections. Emerging Infectious Diseases. https://doi.org/10.3201/eid1307.070187
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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