Please use this identifier to cite or link to this item: https://repository.monashhealth.org/monashhealthjspui/handle/1/58066
Title: Emerging pathogen Christensenella hongkongensis in Australia: case series and literature review.
Authors: Goire N.;Sherry N.L.;Lacey J.A.;Potamis M.;Kong K.;Dreyer L.;Mahony A.A.;Korman T.M.
Monash Health Department(s): Infectious Diseases and Clinical Microbiology
Monash University - School of Clinical Sciences at Monash Health
Institution: (Goire, Potamis, Dreyer) Microbiology Department, Australian Clinical Laboratories, Clayton, VIC, Australia
(Goire, Korman) Monash Infectious Diseases, Monash Health, 246 Clayton Road, Clayton, VIC, Australia
(Sherry, Lacey) Microbiological Diagnostic Unit, Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection & Immunity, Melbourne, VIC, Australia
(Sherry, Mahony) Department of Infectious Diseases & Immunology, Austin Health, Heidelberg, VIC, Australia
(Kong, Mahony) Infectious Diseases Unit, Bendigo Hospital, Bendigo Health, Bendigo, VIC, Australia
(Mahony) Department of Infectious Diseases, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, VIC, Australia
(Korman) Department of Medicine, Monash University, Clayton, VIC, Australia
Issue Date: 11-Apr-2026
Copyright year: 2026
Publisher: Academic Press
Place of publication: United Kingdom
Publication information: Anaerobe. 98(no pagination), 2026. Article Number: 103045. Date of Publication: 01 Jun 2026.
Journal: Anaerobe
Abstract: Newly renamed anaerobic bacterium Christensenella hongkongensis is an emerging pathogen associated with high mortality. Antimicrobial susceptibility profile and pathogenesis of C. hongkongensis are yet to be fully elucidated. Since its first description from Hong Kong and Canada in 2007, 20 Christensenella hongkongensis bloodstream infections (BSI) have been reported. We report the additional five cases of C. hongkongensis BSI from Australia and present their descriptive genomic epidemiology. We review the antimicrobial susceptibilities, clinical features and outcomes of cases of all C. hongkongensis BSI reported to date. C. hongkongensis BSI is associated with high mortality in patients with underlying gastro-intestinal tract malignancy and often isolated in the setting of polymicrobial bacteraemia.Copyright © 2026 Elsevier Ltd
DOI: https://dx.doi.org/10.1016/j.anaerobe.2026.103045
PubMed URL: 41935729
URI: https://repository.monashhealth.org/monashhealthjspui/handle/1/58066
Type: Article
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