Antimicrobial resistance (AMR) is a major public health threat with the highest burden being estimated to be in low- and middle-income countries. Fiji is an upper-middle-income country in Oceania. Recent studies from Fiji highlighted the increasing burden of carbapenem resistant organisms (CRO) such as Acinetobacter baumannii, Pseudomonas aeruginosa and Escherichia coli. A project titled Preparing Fiji for Pathogens with Critical Antimicrobial Resistance was undertaken at the Colonial War Memorial Hospital, Fiji's main referral hospital, in 2022 and 2023. The overarching goal was to support the hospital's readiness for prompt detection, management and prevention of infections caused by pathogens with critical AMR including CRO. This paper describes the steps taken to establish CRO surveillance, prevention, and control interventions, outbreak response and healthcare workers' capacity building initiatives tailored to the hospital's need and capacity. It also shares the results, lessons learned and challenges in setting up the systems that may inform actions in other low- and middle-income countries in the Pacific Region and globally.
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http://dx.doi.org/10.1186/s13756-025-01534-5 | DOI Listing |
J Glob Antimicrob Resist
March 2025
Department of Laboratory Medicine, The First Medicine Center of Chinese PLA General Hospital, Beijing 100853, China. Electronic address:
Objectives: Carbapenem-resistant Citrobacter spp. (CRC) are increasingly recognized as healthcare-associated pathogens, while systematic studies on clinical epidemiology, genetic diversity, and resistant mechanisms of CRC are relatively scarce. The present study provides comprehensive and systematic research on CRC.
View Article and Find Full Text PDFJ Glob Antimicrob Resist
March 2025
Department of Laboratory Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. Electronic address:
Objectives: We studied two Klebsiella pneumoniae carbapenemase (KPC)-14 variants from clinical Pseudomonas aeruginosa isolates (C137 and C159) to better understand the genomic diversity, mechanisms, and genes that confer antibiotic resistance and pathogenicity.
Methods: Genomic DNA from C137/159 was subjected to Illumina and Oxford Nanopore sequencing. Horizontal transmission of the plasmid was evaluated using cloning experiments.
Carbapenem-resistant and virulence plasmid-harboring Klebsiella pneumoniae (pVir-CRKP) has emerged and spread globally, yet clinical investigations from the United States remain limited. We conducted a genomic analysis of 884 unique carbapenem-resistant K. pneumoniae isolates from a multicenter US cohort and identified 6 pVir-CRKP isolates, including 2 sequence type (ST) 23, 2 ST893, and 2 ST11 isolates.
View Article and Find Full Text PDFLab Med
March 2025
Department of Clinical Laboratory, People's Hospital of Dayi County, Chengdu Sichuan, China.
Introduction: Carbapenem-resistant hypervirulent Klebsiella pneumoniae (CR-hvKP) is a highly pathogenic, drug-resistant, and transmissible "superbug" that causes infections in hospitals and communities. Because of the lack of effective antimicrobial treatment options, morbidity and mortality from CR-hvKP infections have increased dramatically, and outbreaks and the rapid spread of CR-hvKP in hospitals have become a major global public health challenge.
Methods: The mechanisms of molecular evolution in CR-hvKP include the acquisition of a hypervirulent plasmid encoding a virulence gene by carbapenemase-producing K pneumoniae, the horizontal transfer of plasmids carrying carbapenem resistance genes to hvKP, and the acquisition of fusion plasmids carrying both carbapenem resistance genes and hypervirulent genes by classic K pneumoniae.
Emerg Microbes Infect
March 2025
Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
The emergence of carbapenem-resistant (CREC) poses crucial challenges in clinical management, requiring continuous monitoring to inform control and treatment strategies. This study aimed to investigate the genomic and epidemiological characteristics of CREC isolates obtained from a tertiary hospital in China between 2015 and 2022. Next-generation sequencing was used for genomic profiling, and clinical data from patients were integrated into the analysis.
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