Rapid Whole Genome Sequencing of Serotype K1 Hypervirulent Klebsiella pneumoniae from an Undocumented Chinese Migrant.
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Macleod, C K
Khokhar, F A
Warne, B
Abstract
Background
Hypervirulent Klebsiella pneumoniae causes severe disseminated infections, typically with hepatic and central nervous system involvement including endophthalmitis. Case Presentation. We report a fatal case of an undocumented Chinese migrant in her 60s who presented to the emergency department with abdominal pain, lethargy, and headache over the preceding two weeks. She had a new diagnosis of diabetes mellitus on admission. Computed tomography scan of the thorax, abdomen, and pelvis showed bilateral pneumonia with liver abscesses. The patient was treated with empirical broad-spectrum antibiotics before K. pneumoniae was isolated from cerebrospinal fluid and blood cultures. The isolate was further characterised as a ST23 (ST: sequence type), serotype K1 hypervirulent strain using Nanopore sequencing. Despite admission to the intensive care unit, the patient died within 48 hrs of admission.Conclusions
This case demonstrates the need for increased awareness of hypervirulent K. pneumoniae, even in countries where it occurs infrequently. Novel, rapid, sequencing technologies can support diagnosis in unusual presentations.Description
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Medical Research Council (MR/N029399/1)