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Hala S, Malaikah M, Huang J, Bahitham W, Fallatah O, Zakri S, Antony CP, Alshehri M, Ghazzali RN, Ben-Rached F, Alsahafi A, Alsaedi A, AlAhmadi G, Kaaki M, Alazmi M, AlhajHussein B, Yaseen M, Zowawi HM, Alghoribi MF, Althaqafi AO, Al-Amri A, Moradigaravand D, Pain A. The emergence of highly resistant and hypervirulent Klebsiella pneumoniae CC14 clone in a tertiary hospital over 8 years. Genome Med 2024; 16:58. [PMID: 38637822 PMCID: PMC11025284 DOI: 10.1186/s13073-024-01332-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 04/08/2024] [Indexed: 04/20/2024] Open
Abstract
BACKGROUND Klebsiella pneumoniae is a major bacterial and opportunistic human pathogen, increasingly recognized as a healthcare burden globally. The convergence of resistance and virulence in K. pneumoniae strains has led to the formation of hypervirulent and multidrug-resistant strains with dual risk, limiting treatment options. K. pneumoniae clones are known to emerge locally and spread globally. Therefore, an understanding of the dynamics and evolution of the emerging strains in hospitals is warranted to prevent future outbreaks. METHODS In this study, we conducted an in-depth genomic analysis on a large-scale collection of 328 multidrug-resistant (MDR) K. pneumoniae strains recovered from 239 patients from a single major hospital in the western coastal city of Jeddah in Saudi Arabia from 2014 through 2022. We employed a broad range of phylogenetic and phylodynamic methods to understand the evolution of the predominant clones on epidemiological time scales, virulence and resistance determinants, and their dynamics. We also integrated the genomic data with detailed electronic health record (EHR) data for the patients to understand the clinical implications of the resistance and virulence of different strains. RESULTS We discovered a diverse population underlying the infections, with most strains belonging to Clonal Complex 14 (CC14) exhibiting dominance. Specifically, we observed the emergence and continuous expansion of strains belonging to the dominant ST2096 in the CC14 clade across hospital wards in recent years. These strains acquired resistance mutations against colistin and extended spectrum β-lactamase (ESBL) and carbapenemase genes, namely blaOXA-48 and blaOXA-232, located on three distinct plasmids, on epidemiological time scales. Strains of ST2096 exhibited a high virulence level with the presence of the siderophore aerobactin (iuc) locus situated on the same mosaic plasmid as the ESBL gene. Integration of ST2096 with EHR data confirmed the significant link between colonization by ST2096 and the diagnosis of sepsis and elevated in-hospital mortality (p-value < 0.05). CONCLUSIONS Overall, these results demonstrate the clinical significance of ST2096 clones and illustrate the rapid evolution of an emerging hypervirulent and MDR K. pneumoniae in a clinical setting.
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Affiliation(s)
- Sharif Hala
- Pathogen Genomics Laboratory, Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, 23955-6900, Jeddah, Makkah, Saudi Arabia
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Mohammed Malaikah
- Pathogen Genomics Laboratory, Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, 23955-6900, Jeddah, Makkah, Saudi Arabia
- Laboratory of Infectious Disease Epidemiology, Biological and Environmental Science and Engineering (BESE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Jiayi Huang
- Laboratory of Infectious Disease Epidemiology, Biological and Environmental Science and Engineering (BESE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- KAUST Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Wesam Bahitham
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Omniya Fallatah
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Samer Zakri
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Chakkiath Paul Antony
- Pathogen Genomics Laboratory, Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, 23955-6900, Jeddah, Makkah, Saudi Arabia
- International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan
| | - Mohammed Alshehri
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Raeece Naeem Ghazzali
- Pathogen Genomics Laboratory, Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, 23955-6900, Jeddah, Makkah, Saudi Arabia
| | - Fathia Ben-Rached
- Pathogen Genomics Laboratory, Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, 23955-6900, Jeddah, Makkah, Saudi Arabia
| | - Abdullah Alsahafi
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Asim Alsaedi
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Ghadeer AlAhmadi
- King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
| | - Mai Kaaki
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Meshari Alazmi
- KAUST Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- College of Computer Science and Engineering, University of Hail, Hail, Saudi Arabia
| | - Baraa AlhajHussein
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Muhammad Yaseen
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Hosam M Zowawi
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
- The University of Queensland, UQ Centre for Clinical Research, Herston, QLD, Australia
| | - Majed F Alghoribi
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Abdulhakeem O Althaqafi
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Abdulfattah Al-Amri
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Infectious Disease Research Department, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- Ministry of National Guard Health Affairs, Riyadh, Western Region, Saudi Arabia
| | - Danesh Moradigaravand
- Laboratory of Infectious Disease Epidemiology, Biological and Environmental Science and Engineering (BESE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
- KAUST Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
| | - Arnab Pain
- Pathogen Genomics Laboratory, Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, 23955-6900, Jeddah, Makkah, Saudi Arabia.
- The University of Queensland, UQ Centre for Clinical Research, Herston, QLD, Australia.
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Thomsen J, Abdulrazzaq NM, Everett DB, Menezes GA, Senok A, Ayoub Moubareck C. Carbapenem resistant Enterobacterales in the United Arab Emirates: a retrospective analysis from 2010 to 2021. Front Public Health 2023; 11:1244482. [PMID: 38145078 PMCID: PMC10745492 DOI: 10.3389/fpubh.2023.1244482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 10/24/2023] [Indexed: 12/26/2023] Open
Abstract
Background Carbapenem-resistant Enterobacterales (CRE) are spreading in the United Arab Emirates (UAE) where their dissemination is facilitated by international travel, trade, and tourism. The objective of this study is to describe the longitudinal changes of CRE as reported by the national AMR surveillance system of the UAE. Methods In this study, we retrospectively describe CRE isolated from 317 surveillance sites, including 87 hospitals and 230 centers/clinics from 2010 to 2021. The associated clinical, demographic, and microbiological characteristics are presented by relying on the UAE national AMR surveillance program. Data was analyzed using WHONET microbiology laboratory database software (http://www.whonet.org). Results A total of 14,593 carbapenem resistant Enterobacterales were analyzed, of which 48.1% were carbapenem resistant Klebsiella pneumoniae (CRKp), 25.1% carbapenem resistant Escherichia coli (CREc), and 26.8% represented 72 other carbapenem resistant species. Carbapenem resistant strains were mostly associated with adults and isolated from urine samples (36.9% of CRKp and 66.6% of CREc) followed by respiratory samples (26.95% for CRKp) and soft tissue samples (19.5% for CRKp). Over the studied period carbapenem resistance rates remained high, especially in K. pneumoniae, and in 2021 were equivalent to 67.6% for imipenem, 76.2% for meropenem, and 91.6% for ertapenem. Nevertheless, there was a statistically significant decreasing trend for imipenem and meropenem resistance in Klebsiella species (p < 0.01) while the decrease in ertapenem resistance was non-significant. Concerning E. coli, there was a statistically significant decreasing trend for meropenem and imipenem resistance over the 12 years, while ertapenem resistance increased significantly with 83.8% of E. coli exhibiting ertapenem resistance in 2021. Resistance rates to ceftazidime and cefotaxime remained higher than 90% (in 2021) for CRKp and cefotaxime rates increased to 90.5% in 2021 for CREc. Starting 2014, resistance to colistin and tigecycline was observed in carbapenem resistant Enterobacterales. CRE were associated with a higher mortality (RR: 6.3), admission to ICU (RR 3.9), and increased length of stay (LOS; 10 excess inpatient days per CRE case). Conclusion This study supports the need to monitor CRE in the UAE and draws attention to the significant increase of ertapenem resistance in E. coli. Future surveillance analysis should include a genetic description of carbapenem resistance to provide new strategies.
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Affiliation(s)
- Jens Thomsen
- Abu Dhabi Public Health Center, Abu Dhabi, United Arab Emirates
- Department of Pathology and Infectious Diseases, Khalifa University, Abu Dhabi, United Arab Emirates
| | | | | | - Dean B. Everett
- Department of Pathology and Infectious Diseases, Khalifa University, Abu Dhabi, United Arab Emirates
- Biotechnology Research Center, Khalifa University, Abu Dhabi, United Arab Emirates
- Infection Research Unit, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Godfred Antony Menezes
- Department of Medical Microbiology and Immunology, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah, United Arab Emirates
| | - Abiola Senok
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
- School of Dentistry, Cardiff University, Cardiff, United Kingdom
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Daoud L, Al-Marzooq F, Ghazawi A, Anes F, Collyns T. High efficacy and enhanced synergistic activity of the novel siderophore-cephalosporin cefiderocol against multidrug-resistant and extensively drug-resistant Klebsiella pneumoniae from inpatients attending a single hospital in the United Arab Emirates. J Infect Public Health 2023; 16 Suppl 1:33-44. [PMID: 37953111 DOI: 10.1016/j.jiph.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/28/2023] [Accepted: 11/01/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND Cefiderocol (CFDC) is a novel siderophore-cephalosporin, which usually penetrates the bacteria through the iron-uptake pathways. Data is limited on the factors affecting CFDC activity and methods for overcoming resistance development. Synergistic approaches are needed to tackle antimicrobial resistance. This study aimed to determine CFDC activity on Klebsiella pneumoniae isolates from patients attending a single hospital in the United Arab Emirates (UAE), to explore the effect of β-lactamases on CFDC activity and to enhance CFDC susceptibility in both iron-depleted and iron-enriched conditions. METHODS We investigated 238 K. pneumoniae strains from diverse clinical sources. β-lactamase genes were detected by PCR. Susceptibility to CFDC and 12 comparator antibiotics were tested. Combinations of CFDC with β-lactamase inhibitors (BLIs) and/or an outer membrane (OM) permeabilizer (polymyxin B nonapeptide) were tested in iron-depleted and iron-enriched conditions. RESULTS CFDC exhibited efficacy of 97.9%, against multidrug-resistant (MDR), and extensively drug-resistant (XDR) strains, in addition to strains resistant to the last resort drugs such as colistin and tigecycline, including dual carbapenemase-producers (blaNDM and blaOXA-48-like) with MIC ≤ 0.06-8 µg/ml. It was effective in killing strains with single and multiple β-lactamases; however, it lost activity in iron-enriched conditions. Synergy was achieved with dual combination of CFDC and BLIs, especially avibactam, which caused a significant reduction in MICs even in iron-enriched conditions. A significant reduction was seen with the triple combination including an OM permeabilizer plus avibactam. Killing-kinetic studies proved that the combination therapy caused dose reduction and faster killing by CFDC than the monotherapy. CONCLUSIONS CFDC was deemed effective against MDR and XDR K. pneumoniae. Synergistic combination of CFDC with BLIs and OM permeabilizers could be effective to treat infections in iron-rich sites, but this should be investigated in vivo.
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Affiliation(s)
- Lana Daoud
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Farah Al-Marzooq
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates.
| | - Akela Ghazawi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Febin Anes
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
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Al Fadhli AH, Mouftah SF, Jamal WY, Rotimi VO, Ghazawi A. Cracking the Code: Unveiling the Diversity of Carbapenem-Resistant Klebsiella pneumoniae Clones in the Arabian Peninsula through Genomic Surveillance. Antibiotics (Basel) 2023; 12:1081. [PMID: 37508177 PMCID: PMC10376398 DOI: 10.3390/antibiotics12071081] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/11/2023] [Accepted: 06/14/2023] [Indexed: 07/30/2023] Open
Abstract
The rise of antimicrobial resistance is a global challenge that requires a coordinated effort to address. In this study, we examined the genetic similarity of carbapenem-resistant Klebsiella pneumoniae (CRKP) in countries belonging to the Gulf Cooperation Council (GCC) to gain a better understanding of how these bacteria are spreading and evolving in the region. We used in silico genomic tools to investigate the occurrence and prevalence of different types of carbapenemases and their relationship to specific sequence types (STs) of CRKP commonly found in the region. We analyzed 720 publicly available genomes of multi-drug resistant K. pneumoniae isolates collected from six GCC countries between 2011 and 2020. Our findings showed that ST-14 and ST-231 were the most common STs, and 51.7% of the isolates carried blaOXA-48-like genes. Additionally, we identified rare carbapenemase genes in a small number of isolates. We observed a clonal outbreak of ST-231 in Oman, and four Saudi isolates were found to have colistin resistance genes. Our study offers a comprehensive overview of the genetic diversity and resistance mechanisms of CRKP isolates in the GCC region that could aid in developing targeted interventions to combat this pressing global issue.
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Affiliation(s)
- Amani H Al Fadhli
- Laboratory Sciences, Department of Medical, Faculty of Allied Health Sciences, Health Sciences Center (HSC), Kuwait University, Jabriya 24923, Kuwait
| | - Shaimaa F Mouftah
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
- Department of Biomedical Sciences, University of Science and Technology, Zewail City of Science and Technology, Giza 12578, Egypt
| | - Wafaa Y Jamal
- Department of Microbiology, College of Medicine, Kuwait University, Jabriya 24923, Kuwait
| | - Vincent O Rotimi
- Center for Infection Control and Patient Safety, College of Medicine University of Lagos, Idi-Araba 102215, Nigeria
| | - Akela Ghazawi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
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Pál T, Butt AB, Ghazawi A, Thomsen J, Rizvi TA, Sonnevend Á. Early Years of Carbapenem-Resistant Enterobacterales Epidemic in Abu Dhabi. Antibiotics (Basel) 2022; 11:1435. [PMID: 36290093 PMCID: PMC9598120 DOI: 10.3390/antibiotics11101435] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/28/2022] Open
Abstract
Recent studies showed that the current endemic of carbapenem-resistant Enterobacterales (CRE) in the Emirate of Abu Dhabi is dominated by highly resistant Klebsiella pneumoniae clones ST14, ST231, and CC147, respectively. In the absence of continuous, molecular typing-based surveillance, it remained unknown whether they lately emerged and rapidly became dominant, or they had been present from the early years of the endemic. Therefore, antibiotic resistance, the presence of carbapenemase and 16S methylase genes, and the sequence types of CRE strains collected between 2009 and 2015 were compared with those collected between 2018 and 2019. It was found that members of these three clones, particularly those of the most prevalent ST14, started dominating already in the very early years of the CRE outbreak. Furthermore, while severely impacting the overall antibiotic resistance patterns, the effect of these clones was not exclusive: for example, increasing trends of colistin or decreasing rates of tigecycline resistance were also observed among nonclonal isolates. The gradually increasing prevalence of few major, currently dominating clones raises the possibility that timely, systematic, molecular typing-based surveillance could have provided tools to public health authorities for an early interference with the escalation of the local CRE epidemic.
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Affiliation(s)
- Tibor Pál
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, 7624 Pécs, Hungary
| | - Aqdas B. Butt
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Akela Ghazawi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Jens Thomsen
- Abu Dhabi Public Health Center, Abu Dhabi P.O. Box 5674, United Arab Emirates
| | - Tahir A. Rizvi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Ágnes Sonnevend
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, 7624 Pécs, Hungary
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