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Mouss KA, Nzoyikorera N, Razki A, Zaki B, Soraa N, Zerouali K. Neisseria meningitidis with decreased susceptibility to penicillin G and molecular characterization of the penA gene in strains isolated at University Hospital Centers of Casablanca and Marrakech (Morocco). Pan Afr Med J 2024; 47:56. [PMID: 38646132 PMCID: PMC11032073 DOI: 10.11604/pamj.2024.47.56.42328] [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: 12/04/2023] [Accepted: 01/09/2024] [Indexed: 04/23/2024] Open
Abstract
Introduction the laboratory diagnosis of meningococcal meningitis relies on conventional techniques. This study aims to evaluate the correlation between the reduced sensitivity to penicillin G of Neisseria meningitidis (N.m) strains and the expression of the altered PBP 2 gene. Methods out of 190 strains of N.m isolated between 2010 and 2021 at the bacteriology laboratories of Ibn Rochd University Hospital Centre (IR-UHC) in Casablanca and the UHC Mohammed VI in Marrakech, 23 isolates were part of our study. We first determined their state of sensitivity to penicillin G by E-Test strips and searched for the expression of the penA gene by PCR followed by Sanger sequencing. Results of all the confirmed cases of N.m, 93.15% (n=177) are of serogroup B, 75.2% (n = 143) are sensitive to penicillin G and 24.73% (n = 47) are of intermediate sensitivity. No resistance to penicillin G was observed. Reduced sensitivity to penicillin G in N.m is characterized by mutations namely F504 L, A510 V, I515 V, G541 N and I566 V located in the C-terminal region of the penA gene encoding the penicillin-binding protein 2 (PBP2) (mosaic gene). Conclusion our study presents useful data for the phenotypic and genotypic monitoring of resistance to penicillin G in N.m and can contribute to the analysis of genetic exchanges between different Neisseria species.
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Affiliation(s)
- Khadija Ait Mouss
- Department of Microbiology, Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco
- Bacteriology-Virology and Hospital Hygiene Laboratory, University Hospital Centre Ibn Rochd, 1 Rue des Hôpitaux, 20100, Casablanca, Morocco
- Institut Pasteur du Maroc, 1 Place Louis Pasteur, 20360, Casablanca, Morocco
| | - Néhémie Nzoyikorera
- Department of Microbiology, Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco
| | - Aziza Razki
- Institut Pasteur du Maroc, 1 Place Louis Pasteur, 20360, Casablanca, Morocco
| | - Bahija Zaki
- Bacteriology-Virology and Hospital Hygiene Laboratory, University Hospital Centre Ibn Rochd, 1 Rue des Hôpitaux, 20100, Casablanca, Morocco
| | - Nabila Soraa
- Faculty of Medicine and Pharmacy of Marrakech Cadi Ayyad University, Microbiology Department, Mohamed VI University Hospital Center, Marrakech, Morocco
| | - Khalid Zerouali
- Department of Microbiology, Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco
- Bacteriology-Virology and Hospital Hygiene Laboratory, University Hospital Centre Ibn Rochd, 1 Rue des Hôpitaux, 20100, Casablanca, Morocco
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Berry I, Rubis AB, Howie RL, Sharma S, Marasini D, Marjuki H, Crowe S, McNamara LA. Selection of Antibiotics as Prophylaxis for Close Contacts of Patients with Meningococcal Disease in Areas with Ciprofloxacin Resistance - United States, 2024. MMWR. MORBIDITY AND MORTALITY WEEKLY REPORT 2024; 73:99-103. [PMID: 38329923 PMCID: PMC10861203 DOI: 10.15585/mmwr.mm7305a2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Meningococcal disease, caused by the bacterium Neisseria meningitidis, is a rare but life-threatening illness that requires prompt antibiotic treatment for patients and antibiotic prophylaxis for their close contacts. Historically, N. meningitidis isolates in the United States have been largely susceptible to the antibiotics recommended for prophylaxis, including ciprofloxacin. Since 2019, however, the number of meningococcal disease cases caused by ciprofloxacin-resistant strains has increased. Antibiotic prophylaxis with ciprofloxacin in areas with ciprofloxacin resistance might result in prophylaxis failure. Health departments should preferentially consider using antibiotics other than ciprofloxacin as prophylaxis for close contacts when both of the following criteria have been met in a local catchment area during a rolling 12-month period: 1) the reporting of two or more invasive meningococcal disease cases caused by ciprofloxacin-resistant strains, and 2) ≥20% of all reported invasive meningococcal disease cases are caused by ciprofloxacin-resistant strains. Other than ciprofloxacin, alternative recommended antibiotic options include rifampin, ceftriaxone, or azithromycin. Ongoing monitoring for antibiotic resistance of meningococcal isolates through surveillance and health care providers' reporting of prophylaxis failures will guide future updates to prophylaxis considerations and recommendations.
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Shariati A, Arshadi M, Khosrojerdi MA, Abedinzadeh M, Ganjalishahi M, Maleki A, Heidary M, Khoshnood S. The resistance mechanisms of bacteria against ciprofloxacin and new approaches for enhancing the efficacy of this antibiotic. Front Public Health 2022; 10:1025633. [PMID: 36620240 PMCID: PMC9815622 DOI: 10.3389/fpubh.2022.1025633] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/22/2022] [Indexed: 12/24/2022] Open
Abstract
For around three decades, the fluoroquinolone (FQ) antibiotic ciprofloxacin has been used to treat a range of diseases, including chronic otorrhea, endocarditis, lower respiratory tract, gastrointestinal, skin and soft tissue, and urinary tract infections. Ciprofloxacin's main mode of action is to stop DNA replication by blocking the A subunit of DNA gyrase and having an extra impact on the substances in cell walls. Available in intravenous and oral formulations, ciprofloxacin reaches therapeutic concentrations in the majority of tissues and bodily fluids with a low possibility for side effects. Despite the outstanding qualities of this antibiotic, Salmonella typhi, Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa have all shown an increase in ciprofloxacin resistance over time. The rise of infections that are resistant to ciprofloxacin shows that new pharmacological synergisms and derivatives are required. To this end, ciprofloxacin may be more effective against the biofilm community of microorganisms and multi-drug resistant isolates when combined with a variety of antibacterial agents, such as antibiotics from various classes, nanoparticles, natural products, bacteriophages, and photodynamic therapy. This review focuses on the resistance mechanisms of bacteria against ciprofloxacin and new approaches for enhancing its efficacy.
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Affiliation(s)
- Aref Shariati
- Molecular and Medicine Research Center, Khomein University of Medical Sciences, Khomein, Iran
| | - Maniya Arshadi
- Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran,Department of Microbiology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Mostafa Abedinzadeh
- Student Research Committee, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Mahsa Ganjalishahi
- Student Research Committee, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Abbas Maleki
- Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Mohsen Heidary
- Department of Laboratory Sciences, School of Paramedical Sciences, Sabzevar University of Medical Sciences, Sabzevar, Iran,Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran,*Correspondence: Mohsen Heidary
| | - Saeed Khoshnood
- Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Iran,Student Research Committee, Ilam University of Medical Sciences, Ilam, Iran,Saeed Khoshnood
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4
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Asturias EJ, Bai X, Bettinger JA, Borrow R, Castillo DN, Caugant DA, Chacon GC, Dinleyici EC, Echaniz-Aviles G, Garcia L, Glennie L, Harrison LH, Howie RL, Itsko M, Lucidarme J, Marin JEO, Marjuki H, McNamara LA, Mustapha MM, Robinson JL, Romeu B, Sadarangani M, Sáez-Llorens X, Sáfadi MAP, Stephens DS, Stuart JM, Taha MK, Tsang RSW, Vazquez J, De Wals P. Meningococcal disease in North America: Updates from the Global Meningococcal Initiative. J Infect 2022; 85:611-622. [PMID: 36273639 PMCID: PMC11091909 DOI: 10.1016/j.jinf.2022.10.022] [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: 09/21/2022] [Revised: 10/11/2022] [Accepted: 10/16/2022] [Indexed: 11/06/2022]
Abstract
This review summarizes the recent Global Meningococcal Initiative (GMI) regional meeting, which explored meningococcal disease in North America. Invasive meningococcal disease (IMD) cases are documented through both passive and active surveillance networks. IMD appears to be decreasing in many areas, such as the Dominican Republic (2016: 18 cases; 2021: 2 cases) and Panama (2008: 1 case/100,000; 2021: <0.1 cases/100,000); however, there is notable regional and temporal variation. Outbreaks persist in at-risk subpopulations, such as people experiencing homelessness in the US and migrants in Mexico. The recent emergence of β-lactamase-positive and ciprofloxacin-resistant meningococci in the US is a major concern. While vaccination practices vary across North America, vaccine uptake remains relatively high. Monovalent and multivalent conjugate vaccines (which many countries in North America primarily use) can provide herd protection. However, there is no evidence that group B vaccines reduce meningococcal carriage. The coronavirus pandemic illustrates that following public health crises, enhanced surveillance of disease epidemiology and catch-up vaccine schedules is key. Whole genome sequencing is a key epidemiological tool for identifying IMD strain emergence and the evaluation of vaccine strain coverage. The Global Roadmap on Defeating Meningitis by 2030 remains a focus of the GMI.
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Affiliation(s)
- Edwin J Asturias
- University of Colorado School of Medicine and Colorado School of Public Health, Aurora, CO, USA
| | - Xilian Bai
- Meningococcal Reference Unit, UK Health Security Agency, Manchester, UK
| | - Julie A Bettinger
- Vaccine Evaluation Center, British Colombia Children's Hospital Research Institute, and Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Ray Borrow
- Meningococcal Reference Unit, UK Health Security Agency, Manchester, UK.
| | | | | | | | | | - Gabriela Echaniz-Aviles
- Center for Research on Infectious Diseases, Instituto Nacional de Salud Pública, Cuernavaca, Mexico
| | - Luis Garcia
- Center for State Control of Drugs, Medical Devices and Equipment, Cuba
| | | | - Lee H Harrison
- Center for Genomic Epidemiology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Rebecca L Howie
- Meningitis and Vaccine Preventable Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, USA
| | - Mark Itsko
- WDS Inc., Contractor to Meningitis and Vaccine Preventable Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, USA
| | - Jay Lucidarme
- Meningococcal Reference Unit, UK Health Security Agency, Manchester, UK
| | | | - Henju Marjuki
- Meningitis and Vaccine Preventable Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, USA
| | - Lucy A McNamara
- Meningitis and Vaccine Preventable Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, USA
| | | | | | - Belkis Romeu
- Center for State Control of Drugs, Medical Devices and Equipment, Cuba
| | - Manish Sadarangani
- Vaccine Evaluation Center, British Colombia Children's Hospital Research Institute, and Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Xavier Sáez-Llorens
- Hospital del Niño - Dr José Renán Esquivel, Distinguished Investigator at Senacyt (SNI) and Cevaxin, Panama City, Panama
| | - Marco A P Sáfadi
- Department of Pediatrics, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil
| | - David S Stephens
- Robert W. Woodruff Health Sciences Center, Emory University, Atlanta, GA, USA
| | | | - Muhamed-Kheir Taha
- Institut Pasteur, National Reference Centre for Meningococci and Haemophilus influenzae, Paris, France
| | - Raymond S W Tsang
- National Microbiology Laboratory Branch, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Julio Vazquez
- National Centre of Microbiology, Institute of Health Carlos III, Madrid, Spain
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Marshall GS, Pelton SI, Robertson CA, Oster P. Immunogenicity and safety of MenACWY-TT, a quadrivalent meningococcal tetanus toxoid conjugate vaccine recently licensed in the United States for individuals ≥2 years of age. Hum Vaccin Immunother 2022; 18:2099142. [PMID: 35947774 DOI: 10.1080/21645515.2022.2099142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Vaccination offers the best way to prevent invasive meningococcal disease (IMD). As demonstrated in countries with national immunization programs (NIPs) against IMD, meningococcal conjugate vaccines have contributed to significant declines in incidence. Since some meningococcal vaccines are associated with modest immunogenicity in infants, possible immunological interference upon concomitant administration with some pediatric vaccines, and administration errors resulting from improper reconstitution, opportunities for improvement exist. A quadrivalent conjugate vaccine, MenQuadfi® (Meningococcal [Serogroups A, C, Y, and W] Conjugate Vaccine; Sanofi, Swiftwater, Pennsylvania), was approved in 2020 for the prevention of IMD caused by meningococcal serogroups A, C, W, and Y in individuals ≥2 years of age in the United States. Five pivotal studies and one ancillary study supported approval in the United States; clinical trials in infants are ongoing. Data on the immunogenicity and safety of this vaccine are presented, and its potential value in clinical practice is discussed.
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Affiliation(s)
- Gary S Marshall
- Division of Pediatric Infectious Diseases, Norton Children's and University of Louisville School of Medicine, Louisville, KY, USA
| | - Stephen I Pelton
- Department of Pediatrics, Boston University School of Medicine, Boston, MA, USA
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6
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Abstract
Neisseria meningitidis causes a life-threatening invasive meningococcal disease (IMD). Isolates resistant to antibiotics, such as penicillin, ceftriaxone, and ciprofloxacin that are recommended for the treatment of IMD patients and their close contacts have been serious public health concerns globally. However, susceptibility profiles to critically important antibiotics and the genetic characteristics of isolates possessing antibiotic resistance are extremely limited as IMD incidence is low in Japan. We assessed the susceptibility profiles of 87 randomly selected, sterile site-derived N. meningitidis strains isolated from hospitals nationwide, recovered between April 1998 and March 2018 in Japan, to seven antibiotics. As a result, we demonstrated, for the first time, that the isolates remained highly susceptible to ceftriaxone, meropenem, azithromycin, ciprofloxacin, chloramphenicol, and rifampin, but not to penicillin. We then characterized the genetic relatedness of six penicillin- and/or ciprofloxacin-resistant isolates obtained in this study with global 112 genomes using core-genome phylogenetic analysis. These results provide the first evidence that invasive lineages such as a penicillin-resistant serogroup W, sequence type (ST)-11 clonal complex (CC), and a ciprofloxacin-resistant serogroup B/C, ST-4821 CC that is considered as a global threat, have been sporadically identified in Japan. Our findings highlight the need to monitor antibiotic resistance in clinical isolates of N. meningitidis, thereby preventing the spread of antibiotic-resistant invasive lineages and maintaining effective treatment for IMD patients and their close contacts. IMPORTANCE Although antibiotics such as penicillin and ceftriaxone can treat invasive meningococcal disease (IMD), the emergence and spread of antibiotic-resistant Neisseria meningitidis have become a global concern. To provide effective treatment, including chemoprophylaxis to IMD patients and their close contacts, we highlighted the importance of recognizing the antibiotic resistance and genetic features of N. meningitidis isolates.
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Shao Y, Chen M, Luo J, Li D, Yuan L, Yang X, Wang M, Chen M, Guo Q. Serogroup Y Clonal Complex 23 Meningococcus in China Acquiring Penicillin Resistance from Commensal Neisseria lactamica Species. Antimicrob Agents Chemother 2022; 66:e0238321. [PMID: 35652645 PMCID: PMC9211434 DOI: 10.1128/aac.02383-21] [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: 12/21/2021] [Accepted: 05/16/2022] [Indexed: 11/20/2022] Open
Abstract
Invasive meningococcal disease (IMD) due to serogroup Y Neisseria meningitidis (NmY) is rare in China; recently, an invasive NmY isolate, Nm512, was discovered in Shanghai with decreased susceptibility to penicillin (PenNS). Here, we investigated the epidemiology of NmY isolates in Shanghai and explored the potential commensal Neisseria lactamica donor of the PenNS NmY isolate. A total of 491 N. meningitidis and 724 commensal Neisseria spp. isolates were collected. Eleven NmY isolates were discovered from IMD (n = 1) and carriers (n = 10), including two PenNS isolates with five-key-mutation-harboring (F504L-A510V-I515V-H541N-I566V) penA genes. Five of the eight ST-175 complex (CC175) isolates had a genotype [Y:P1.5-1,2-2:F5-8:ST-175(CC175)] identical to that of the predominant invasive clone found in South Africa. Only one invasive NmY CC23 isolate (Nm512) was discovered; this isolate carried a novel PenNSpenA832 allele, which was identified in commensal N. lactamica isolates locally. Recombination analysis and transformation of the penA allele highlighted that N. meningitidis Nm512 may acquire resistance from its commensal donor; this was supported by the similar distribution of transformation-required DNA uptake sequence variants and the highly cognate receptor ComP between N. meningitidis and N. lactamica. In 2,309 NmY CC23 genomes from the PubMLST database, isolates with key-mutation-harboring penA genes comprised 12% and have been increasing since the 1990s, accompanied by recruitment of the blaROB-1 and/or quinolone resistance allele. Moreover, penA22 was predominant among genomes without key mutations in penA. These results strongly suggest that Nm512 is a descendant of the penA22-harboring CC23 isolate from Europe and acquired its penicillin resistance locally from commensal N. lactamica species by natural transformation.
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Affiliation(s)
- Youxing Shao
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Heath Commission of the People’s Republic of China, Shanghai, People’s Republic of China
| | - Mingliang Chen
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China
- Department of Microbiology, Shanghai Institutes of Preventive Medicine, Shanghai, People’s Republic of China
| | - Jiayuan Luo
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China
| | - Dan Li
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China
| | - Lingyue Yuan
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China
| | - Xiaoying Yang
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Heath Commission of the People’s Republic of China, Shanghai, People’s Republic of China
| | - Minggui Wang
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Heath Commission of the People’s Republic of China, Shanghai, People’s Republic of China
| | - Min Chen
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China
| | - Qinglan Guo
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Heath Commission of the People’s Republic of China, Shanghai, People’s Republic of China
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Potts CC, Rodriguez-Rivera LD, Retchless AC, Hu F, Marjuki H, Blain AE, McNamara LA, Wang X. Antimicrobial Susceptibility Survey of Invasive Neisseria meningitidis, United States 2012-2016. J Infect Dis 2022; 225:1871-1875. [PMID: 35266516 PMCID: PMC10985786 DOI: 10.1093/infdis/jiac046] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 02/08/2022] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Historically, antimicrobial resistance has been rare in US invasive meningococcal disease cases. METHODS Meningococcal isolates (n = 695) were collected through population-based surveillance, 2012-2016, and national surveillance, 2015-2016. Antimicrobial susceptibility was assessed by broth microdilution. Resistance mechanisms were characterized using whole-genome sequencing. RESULTS All isolates were susceptible to 6 antibiotics (cefotaxime, ceftriaxone, meropenem, rifampin, minocycline, and azithromycin). Approximately 25% were penicillin or ampicillin intermediate; among these, 79% contained mosaic penA gene mutations. Less than 1% of isolates were penicillin, ampicillin, ciprofloxacin, or levofloxacin resistant. CONCLUSIONS Penicillin- and ampicillin-intermediate isolates were common, but resistance to clinically relevant antibiotics remained rare.
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Affiliation(s)
- Caelin C. Potts
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Lorraine D. Rodriguez-Rivera
- Weems Design Studio, Inc, Contractor assigned to Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
- IHRC, Inc, Contractor assigned to Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Adam C. Retchless
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Fang Hu
- IHRC, Inc, Contractor assigned to Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Henju Marjuki
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Amy E. Blain
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Lucy A. McNamara
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Xin Wang
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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9
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Rostamian M, Chegene Lorestani R, Jafari S, Mansouri R, Rezaeian S, Ghadiri K, Akya A. A systematic review and meta-analysis on the antibiotic resistance of Neisseria meningitidis in the last 20 years in the world. Indian J Med Microbiol 2022; 40:323-329. [PMID: 35654713 DOI: 10.1016/j.ijmmb.2022.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/30/2022] [Accepted: 05/15/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND Neisseria meningitidis is one of the most important causes of meningitis and pathogens-associated deaths in developing and developed countries. Effective anti-microbial agents are pivotal to treat and control N. meningitidis infections. The aim of the present study was to systematically review published studies on the antibiotic resistance of N. meningitidis in the last 20 years (2000-2020) in the world. METHODS Published researches were identified through a literature search using reputable databases including PubMed, Scopus, and Web of Science. Finally, 24 studies were included for a random-effects model meta-analysis. RESULTS The overall resistance to most commonly used antibiotics such as ceftriaxone, cefotaxime, ciprofloxacin and rifampin was low, ranging from 1 to 3.4%. However, non-sensitivity to penicillin, as the first-line antibiotic against N. meningitidis, was higher (27.2%). Altogether, the resistance to the first-line antibiotics (except penicillin) is still low indicating these drugs are effective against meningococcal meningitis. We also found a significant gap between MIC and disk diffusion for evaluating resistance to antibiotics in which disk diffusion overestimate the resistance rate. CONCLUSIONS To properly management and prevent the spread of N. miningitidis isolates resistant antibiotics, it is necessary to monitor the pattern of antibiotic susceptibility regionally and globally using the MIC methods.
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Affiliation(s)
- Mosayeb Rostamian
- Infectious Diseases Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Roya Chegene Lorestani
- Infectious Diseases Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Somayeh Jafari
- Clinical Research Development Center, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Rezvan Mansouri
- Student Research Committee and Department of Microbiology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shahab Rezaeian
- Infectious Diseases Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Keyghobad Ghadiri
- Infectious Diseases Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Alisha Akya
- Infectious Diseases Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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10
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Raisman JC, Fiore MA, Tomin L, Adjei JKO, Aswad VX, Chu J, Domondon CJ, Donahue BA, Masciotti CA, McGrath CG, Melita J, Podbielski PA, Schreiner MR, Trumpore LJ, Wengert PC, Wrightstone EA, Hudson AO, Wadsworth CB. Evolutionary paths to macrolide resistance in a Neisseria commensal converge on ribosomal genes through short sequence duplications. PLoS One 2022; 17:e0262370. [PMID: 35025928 PMCID: PMC8758062 DOI: 10.1371/journal.pone.0262370] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 12/22/2021] [Indexed: 11/19/2022] Open
Abstract
Neisseria commensals are an indisputable source of resistance for their pathogenic relatives. However, the evolutionary paths commensal species take to reduced susceptibility in this genus have been relatively underexplored. Here, we leverage in vitro selection as a powerful screen to identify the genetic adaptations that produce azithromycin resistance (≥ 2 μg/mL) in the Neisseria commensal, N. elongata. Across multiple lineages (n = 7/16), we find mutations that reduce susceptibility to azithromycin converge on the locus encoding the 50S ribosomal L34 protein (rpmH) and the intergenic region proximal to the 30S ribosomal S3 protein (rpsC) through short tandem duplication events. Interestingly, one of the laboratory evolved mutations in rpmH is identical (7LKRTYQ12), and two nearly identical, to those recently reported to contribute to high-level azithromycin resistance in N. gonorrhoeae. Transformations into the ancestral N. elongata lineage confirmed the causality of both rpmH and rpsC mutations. Though most lineages inheriting duplications suffered in vitro fitness costs, one variant showed no growth defect, suggesting the possibility that it may be sustained in natural populations. Ultimately, studies like this will be critical for predicting commensal alleles that could rapidly disseminate into pathogen populations via allelic exchange across recombinogenic microbial genera.
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Affiliation(s)
- Jordan C. Raisman
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Michael A. Fiore
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Lucille Tomin
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Joseph K. O. Adjei
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Virginia X. Aswad
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Jonathan Chu
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Christina J. Domondon
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Ben A. Donahue
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Claudia A. Masciotti
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Connor G. McGrath
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Jo Melita
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Paul A. Podbielski
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Madelyn R. Schreiner
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Lauren J. Trumpore
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Peter C. Wengert
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Emalee A. Wrightstone
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - André O. Hudson
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
| | - Crista B. Wadsworth
- Rochester Institute of Technology, Thomas H. Gosnell School of Life Sciences, Rochester, NY, United States of America
- * E-mail:
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11
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Zhang Y, Deng X, Jiang Y, Zhang J, Zhan L, Mei L, Lu H, Yao P, He H. The Epidemiology of Meningococcal Disease and Carriage, Genotypic Characteristics and Antibiotic Resistance of Neisseria meningitidis Isolates in Zhejiang Province, China, 2011–2021. Front Microbiol 2022; 12:801196. [PMID: 35140696 PMCID: PMC8819144 DOI: 10.3389/fmicb.2021.801196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/03/2021] [Indexed: 11/26/2022] Open
Abstract
Neisseria meningitidis (Nm) remains a worldwide leading cause of epidemic meningitis. During 2011–July 2021, 55 meningococcal disease (MD) cases were reported with a case fatality rate of 5.45% in Zhejiang Province, China. The median age was 7 years. The annual incidence was 0.0017–0.0183 per 100,000 population. The highest age-specific incidence was observed in the group younger than 1 year. Serogroup was identified in 30 laboratory-confirmed MD cases, and MenB was most predominant. MenB was mainly observed in two age groups: younger than 5 and older than 35 years. MenB incidence was significantly increasing from 0.0018 per 100,000 in 2013 to 0.0070 per 100,000 in 2019. During 2015–2020, 17 positive samples were detected from 2,827 throat swabs from healthy population, of which 70.59% was MenB. Twenty multilocus sequence typing sequence types (STs) containing eight newly assigned STs (ST15881–ST15888) were determined in all Nm isolates. Either in MD cases or in healthy population, MenB CC ST-4821 was the predominant ST. It was worth noting that two MenY CC ST-23 cases occurred in 2019 and 2021, respectively. MenY CC ST-23 MD cases increased gradually in China. Phylogeny results based on genome sequencing indicated that Chinese MenW CC ST-11 isolates were genetically linked and grouped together with Japanese isolates, separated from MenW CC ST-11 isolates from Saudi Arabia Hajj outbreak, Europe, South Africa, South America, North America, and Oceania. MenW CC ST-11 isolates from East Asia might have evolved locally. Antibiotic susceptibility tests revealed a relatively high resistance rate (22.86%) of Nm isolates to penicillin. This study provided valuable data for Chinese public health authorities to grasp the temporal epidemiological characteristics of MD and healthy carriage.
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Affiliation(s)
- Yunyi Zhang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Xuan Deng
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Yan Jiang
- Department of Infectious Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Junyan Zhang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Li Zhan
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Lingling Mei
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Hangjing Lu
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Pingping Yao
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
- *Correspondence: Pingping Yao,
| | - Hanqing He
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
- Hanqing He,
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12
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Manoharan-Basil SS, Gonzalez N, Kenyon C. Country-level association between antimicrobial consumption and resistance in Neisseria meningitidis: an ecological study. J Infect Public Health 2022; 15:293-296. [DOI: 10.1016/j.jiph.2022.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/23/2021] [Accepted: 01/14/2022] [Indexed: 10/19/2022] Open
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13
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Phillips C, Haldane DJM. Susceptibilities of invasive Neisseria meningitidis strains to agents used for prophylaxis and to penicillin G. JOURNAL OF THE ASSOCIATION OF MEDICAL MICROBIOLOGY AND INFECTIOUS DISEASE CANADA = JOURNAL OFFICIEL DE L'ASSOCIATION POUR LA MICROBIOLOGIE MEDICALE ET L'INFECTIOLOGIE CANADA 2021; 6:307-312. [PMID: 36338464 PMCID: PMC9629260 DOI: 10.3138/jammi-2020-0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 12/13/2021] [Indexed: 06/16/2023]
Abstract
BACKGROUND The antimicrobial susceptibility of isolates of Neisseria meningitidis to agents used for chemoprophylaxis and to penicillin G was determined. METHODS Fifty N. meningitidis strains detected in Nova Scotia between 2004 and 2018 were included. The isolates were originally isolated from sites that might prompt chemoprophylaxis (27 blood, 18 cerebrospinal fluid [CSF], 3 CSF-blood, and 2 conjunctiva). Minimal inhibitory concentrations (MICs) were determined to azithromycin, ciprofloxacin, minocycline, rifampin, trimethoprim-sulfamethoxazole, and penicillin G, using a diffusion gradient strip on Mueller-Hinton agar with 5% sheep blood in 5% CO2 for 20-24 hours. RESULTS All isolates remained susceptible to azithromycin, ciprofloxacin, minocycline, and rifampin, but there was 26% resistance to trimethoprim-sulfamethoxazole. There was a rise in penicillin MIC of the isolates over the study period. CONCLUSION In our province, N. meningitidis isolates causing invasive infection remain susceptible to commonly used antimicrobial agents used for chemoprophylaxis. Significant resistance to trimethoprim-sulfamethoxazole is present and the degree of susceptibility to penicillin G is lessening.
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Affiliation(s)
- Carrie Phillips
- Public Health Agency of Canada, Winnipeg, Manitoba, Canada
- Provincial Public Health Laboratory Network, Halifax, Nova Scotia, Canada
| | - David JM Haldane
- Provincial Public Health Laboratory Network, Halifax, Nova Scotia, Canada
- Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
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14
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Potts CC, Retchless AC, McNamara LA, Marasini D, Reese N, Swint S, Hu F, Sharma S, Blain AE, Lonsway D, Karlsson M, Hariri S, Fox LM, Wang X. Acquisition of ciprofloxacin resistance among an expanding clade of β-lactamase positive, serogroup Y Neisseria meningitidis in the United States. Clin Infect Dis 2021; 73:1185-1193. [PMID: 33900407 DOI: 10.1093/cid/ciab358] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Penicillin and ciprofloxacin are important for invasive meningococcal disease (IMD) management and prevention. IMD cases caused by penicillin- and ciprofloxacin-resistant Neisseria meningitidis containing a ROB-1 β-lactamase gene (blaROB-1) and a mutated DNA gyrase gene (gyrA), have been recently reported in the USA. METHODS We examined 2097 meningococcal genomes collected through US population-based surveillance from January 2011-February 2020 to identify IMD cases caused by strains with blaROB-1 or gyrA-mediated resistance. Antimicrobial resistance was confirmed phenotypically. The US isolate genomes were compared to non-US isolate genomes containing blaROB-1. Interspecies transfer of ciprofloxacin resistance was assessed by comparing gyrA among Neisseria species. RESULTS Eleven penicillin- and ciprofloxacin-resistant isolates were identified after December 2018; all were serogroup Y, sequence type 3587, clonal complex (CC) 23, and contained blaROB-1 and a T91I-containing gyrA allele. An additional 22 penicillin-resistant, blaROB-1-containing US isolates with wild-type gyrA were identified from 2013-2020. All 33 blaROB-1-containing isolates formed a single clade, along with 12 blaROB-1-containing isolates from six other countries. Two-thirds of blaROB-1-containing US isolates were from Hispanic individuals. Twelve additional ciprofloxacin-resistant isolates with gyrA T91 mutations were identified. Ciprofloxacin-resistant isolates belonged to six CCs and contained 10 unique gyrA alleles; seven were similar or identical to alleles from N. lactamica or N. gonorrhoeae. CONCLUSIONS Recent IMD cases caused by a dual resistant serogroup Y suggest changing antimicrobial resistance patterns in the USA. The emerging dual-resistance is due to acquisition of ciprofloxacin resistance by β-lactamase-containing N. meningitidis. Routine antimicrobial resistance surveillance will effectively monitor resistance changes and spread.
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Affiliation(s)
- Caelin C Potts
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Adam C Retchless
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Lucy A McNamara
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Daya Marasini
- Weems Design Studio, Inc., Contractor to Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Natashia Reese
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Stephanie Swint
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Fang Hu
- IHRC, Inc., Contractor to Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Shalabh Sharma
- IHRC, Inc., Contractor to Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Amy E Blain
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - David Lonsway
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Maria Karlsson
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Susan Hariri
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - LeAnne M Fox
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Xin Wang
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
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15
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Taormina G, Campos J, Sweitzer J, Retchless AC, Lunquest K, McNamara LA, Reese N, Karlsson M, Hanisch B. β-Lactamase-Producing, Ciprofloxacin-Resistant Neisseria meningitidis Isolated From a 5-Month-Old Boy in the United States. J Pediatric Infect Dis Soc 2021; 10:379-381. [PMID: 32743638 DOI: 10.1093/jpids/piaa085] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/08/2020] [Indexed: 11/14/2022]
Abstract
Worldwide, there have been few reports of β-lactamases causing penicillin resistance in Neisseria meningitidis. The first known case of disease in the United States due to a β-lactamase-producing, ciprofloxacin-resistant N. meningitidis was recently identified. This has potential implications on standard laboratory testing and empiric management of meningococcal disease.
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Affiliation(s)
- Gillian Taormina
- Children's National Hospital, Division of Infectious Diseases, Washington, District of Columbia, USA
| | - Joseph Campos
- Children's National Hospital, Department of Microbiology, Washington, District of Columbia, USA
| | - John Sweitzer
- Maryland Department of Health, Baltimore, Maryland, USA
| | - Adam C Retchless
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | | | - Lucy A McNamara
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Natashia Reese
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Maria Karlsson
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Benjamin Hanisch
- Children's National Hospital, Division of Infectious Diseases, Washington, District of Columbia, USA
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16
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Bennett DE, Meyler KL, Cafferkey MT, Cunney RJ. Antibiotic susceptibility and molecular analysis of invasive Neisseria meningitidis recovered in the Republic of Ireland, 1996 to 2016. Eur J Clin Microbiol Infect Dis 2021; 40:1127-1136. [PMID: 33403566 DOI: 10.1007/s10096-020-04114-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 11/20/2020] [Indexed: 11/26/2022]
Abstract
This study examined the antimicrobial susceptibility of invasive meningococcal disease (IMD)-associated Neisseria meningitidis recovered in the Republic of Ireland between 1996 and 2016. In total, 1359 isolates representing over one-third of all laboratory-confirmed cases of IMD diagnosed each epidemiological year (EY; July 1-June 30) were analysed. All isolates were susceptible to ciprofloxacin, rifampicin and cefotaxime and 74% and 87% were susceptible to sulphonamide and penicillin, respectively. The proportion of isolates exhibiting reduced susceptibility to penicillin increased significantly during the study with no evidence of major clonal expansion or horizontal spread of a specific penA allele. Greater diversity observed among recently recovered meningococci and specifically among isolates exhibiting reduced penicillin susceptibility contributed to the overall increase in penA allele diversity throughout. The emergence and dissemination of strains with phenotypic and genotypic reduced susceptibility to penicillin increase the need for continued surveillance of antimicrobial susceptibility of meningococci in the Republic of Ireland especially in view of the recommendation of penicillin G as empiric treatment of choice for pre-hospital management.
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Affiliation(s)
- Désirée E Bennett
- Irish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland.
| | - K L Meyler
- Irish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland
| | - M T Cafferkey
- Irish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland
- Department of Microbiology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - R J Cunney
- Irish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland
- Department of Clinical Microbiology, Children's Health Ireland, Dublin, Ireland
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17
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de Lemos APS, Sacchi CT, Gonçalves CR, Camargo CH, Andrade AL. Genomic surveillance of Neisseria meningitidis serogroup B invasive strains: Diversity of vaccine antigen types, Brazil, 2016-2018. PLoS One 2020; 15:e0243375. [PMID: 33347452 PMCID: PMC7751880 DOI: 10.1371/journal.pone.0243375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 11/19/2020] [Indexed: 11/19/2022] Open
Abstract
Background Neisseria meningitidis serogroup B remains a prominent cause of invasive meningococcal disease (IMD) in Brazil. Because two novel protein-based vaccines against serogroup B are available, the main purpose of this study was to provide data on the diversity and distribution of meningococcal vaccine antigen types circulating in Brazil. Methodology Genetic lineages, vaccine antigen types, and allele types of antimicrobial-associated resistance genes based on whole-genome sequencing of a collection of 145 Neisseria meningitidis serogroup B invasive strains recovered in Brazil from 2016 to 2018 were collected. Results A total of 11 clonal complexes (ccs) were identified among the 145 isolates, four of which were predominant, namely, cc461, cc35, cc32, and cc213, accounting for 72.0% of isolates. The most prevalent fHbp peptides were 24 (subfamily A/variant 2), 47 (subfamily A/variant 3), 1 (subfamily B/variant 1) and 45 (subfamily A/variant 3), which were predominantly associated with cc35, cc461, cc32, and cc213, respectively. The NadA peptide was detected in only 26.2% of the isolates. The most frequent NadA peptide 1 was found almost exclusively in cc32. We found seven NHBA peptides that accounted for 74.5% of isolates, and the newly described peptide 1390 was the most prevalent peptide exclusively associated with cc461. Mutated penA alleles were detected in 56.5% of the isolates, whereas no rpoB and gyrA mutant alleles were found. Conclusion During the study period, changes in the clonal structure of circulating strains were observed, without a predominance of a single hyperinvasive lineage, indicating that an epidemiologic shift has occurred that led to a diversity of vaccine antigen types in recent years in Brazil.
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Affiliation(s)
| | | | | | | | - Ana Lúcia Andrade
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
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18
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Ikken Y, Charof R, Benaouda A, Hilali F, Akkaoui S, Elouennass M, Sekhsokh Y. Epidemiology and antibiotic resistance profile of bacterial meningitis in Morocco from 2015 to 2018. Acta Microbiol Immunol Hung 2020; 67:243-251. [PMID: 33221736 DOI: 10.1556/030.2020.01222] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 09/01/2020] [Indexed: 11/19/2022]
Abstract
Over a 4-year study period from 2015 to 2018, altogether 183 isolates of bacterial meningitis were collected from 12 hospitals covering the entire Moroccan territory. Neisseria meningitidis represented 58.5%, Streptococcus pneumoniae 35.5%, and Haemophilus influenzae type b 6%. H. influenzae type b mainly affected 5-year-olds and unvaccinated adults. N. meningitidis serogroup B represented 90.7% followed by serogroup W135 with 6.5%. Decreased susceptibility to penicillin G (DSPG) for all isolates accounted for 15.7%, with 11.6% being resistant to penicillin G (PG) and 4.1% decreased susceptibility. Cumulative results of all strains showed 2.7% decreased susceptibility to amoxicillin and 3.3% resistant, 2.2% of isolates were resistant to third-generation cephalosporin and 2.2% were decreased susceptible, 5.5% were resistant to chloramphenicol and 2.7% were resistant to rifampin. The frequency of DSPG observed in our study is more common in S. pneumoniae than in N. meningitidis (P < 0.05). These isolates have been found to be highly susceptible to antibiotics used for treatment and prophylaxis chemotherapy and the observed resistance remains rare. The impact of introduction of conjugate vaccines against H. influenzae type b and S. pneumoniae (PCVs) is an advantage in reducing meningitis cases due to these two species.
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Affiliation(s)
- Youssef Ikken
- 1Biosafety Level 3 and Research Laboratory, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Rabat 10 000, Morocco
- 2Laboratory of Medical Bacteriology, National Institute of Hygiene in Rabat, 27, Avenue Ibn Batouta, B.P. 769, Rabat 10 000, Morocco
| | - Réda Charof
- 2Laboratory of Medical Bacteriology, National Institute of Hygiene in Rabat, 27, Avenue Ibn Batouta, B.P. 769, Rabat 10 000, Morocco
| | - Amina Benaouda
- 3Laboratory of Microbiology, Cheick-Zaid University Hospital, University Internationale Abulcasis of Sciences and Health in Rabat, B.P. 6533, Avenue Allal El Fassi, Madinat Al Irfane, Rabat 10 000, Morocco
| | - Farida Hilali
- 1Biosafety Level 3 and Research Laboratory, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Rabat 10 000, Morocco
| | - Sanae Akkaoui
- 4Research Laboratory in Oral Biology and Biotechnology, Faculty of Dental Medicine, Mohammed V University in Rabat, Rabat 10 000, Morocco
| | - Mostafa Elouennass
- 5Laboratory of Bacteriology, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Rabat 10 000, Morocco
| | - Yassine Sekhsokh
- 1Biosafety Level 3 and Research Laboratory, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Rabat 10 000, Morocco
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19
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Moreno J, Alarcon Z, Parra E, Duarte C, Sanabria O, Prada D, Gabastou JM. Molecular characterization of Neisseria meningitidis isolates recovered from patients with invasive meningococcal disease in Colombia from 2013 to 2016. PLoS One 2020; 15:e0234475. [PMID: 32663215 PMCID: PMC7360035 DOI: 10.1371/journal.pone.0234475] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 05/26/2020] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Neisseria meningitidis is a significant cause of morbidity and mortality worldwide. Meningococcal isolates have a highly dynamic population structure and can be phenotypically and genetically differentiated into serogroups and clonal complexes. The aim of this study was to describe the phenotypic and genotypic characteristics of invasive isolates recovered in Colombia from 2013 to 2016. METHODOLOGY A total of 193 invasive isolates were analyzed. Phenotypic and genotypic characteristics were determined by serotyping, antimicrobial susceptibility testing, pulsed-field gel electrophoresis (PFGE) and whole-genome sequencing. RESULTS Based on the results, meningococcal serogroups C, B and Y were responsible for 47.9%, 41.7%, and 9.4% of cases, respectively, and the distribution of serogroups B and C changed over time. Fifteen clonal groups and 14 clonal complexes (cc) were identified by PFGE and genome sequencing. The main clonal group included serogroup B isolates with sequence type (ST)-9493 and its four single-locus variants, which has only been identified in Colombian isolates. The clonal population structure demonstrates that the isolates in this study mainly belong to four clonal complexes: ST-11 cc, ST-32 cc, ST-35 cc and ST-41/44 cc. Thirty-eight penA alleles were identified, but no correlation between MICs and specific sequences was observed. CONCLUSION This study shows that most meningococcal isolates recovered from patients with invasive meningococcal disease in Colombia are strains associated with distinct globally disseminated hyperinvasive clones.
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Affiliation(s)
- Jaime Moreno
- Grupo de Microbiología, Instituto Nacional de Salud (INS), Bogotá, Colombia
- * E-mail:
| | - Zonia Alarcon
- Grupo de Microbiología, Instituto Nacional de Salud (INS), Bogotá, Colombia
| | - Eliana Parra
- Grupo de Microbiología, Instituto Nacional de Salud (INS), Bogotá, Colombia
| | - Carolina Duarte
- Grupo de Microbiología, Instituto Nacional de Salud (INS), Bogotá, Colombia
| | - Olga Sanabria
- Grupo de Microbiología, Instituto Nacional de Salud (INS), Bogotá, Colombia
| | - Diego Prada
- Grupo de Microbiología, Instituto Nacional de Salud (INS), Bogotá, Colombia
| | - Jean Marc Gabastou
- Panamerican Health Organization/World Health Organization (PAHO/WHO), Washington, DC, United States of America
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20
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Stawasz A, Huang L, Kirby P, Bloom D. Health Technology Assessment for Vaccines Against Rare, Severe Infections: Properly Accounting for Serogroup B Meningococcal Vaccination's Full Social and Economic Benefits. Front Public Health 2020; 8:261. [PMID: 32754566 PMCID: PMC7366491 DOI: 10.3389/fpubh.2020.00261] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 05/22/2020] [Indexed: 02/04/2023] Open
Abstract
The high price of new generations of vaccines relative to their predecessors has become an important consideration in debates over whether the benefits of the new vaccines justify their costs. An increasingly central line of inquiry in the literature on valuing vaccination surrounds accounting for the full social and economic benefits of vaccination. This paper applies this emerging perspective to the particular case of vaccination against serogroup B meningococcal disease (MenB). We explore key issues involved in health technology assessments of MenB vaccination, which have led to pronounced heterogeneity in evaluation methods and recommendation outcomes across countries such as France, Germany, the US, and the UK. Accounting for typically neglected sources of socioeconomic benefit could potentially impact recommendation and reimbursement decisions. We propose a taxonomy of such benefits built around four dimensions: (i) internalized health benefits, (ii) internalized non-health benefits, (iii) externalized health benefits, and (iv) externalized non-health benefits. This approach offers a systematic, comprehensive evaluation framework that can be used in future assessment of MenB vaccines as well as other health technologies.
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Affiliation(s)
- Andrew Stawasz
- Data for Decisions, LLC, Waltham, MA, United States.,Harvard Law School, Cambridge, MA, United States
| | | | - Paige Kirby
- Data for Decisions, LLC, Waltham, MA, United States
| | - David Bloom
- Data for Decisions, LLC, Waltham, MA, United States.,Harvard T.H. Chan School of Public Health, Boston, MA, United States
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21
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McNamara LA, Potts C, Blain AE, Retchless AC, Reese N, Swint S, Lonsway D, Karlsson M, Lunquest K, Sweitzer JJ, Wang X, Hariri S, Fox LM. Detection of Ciprofloxacin-Resistant, β-Lactamase-Producing Neisseria meningitidis Serogroup Y Isolates - United States, 2019-2020. MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT 2020; 69:735-739. [PMID: 32555137 PMCID: PMC7302475 DOI: 10.15585/mmwr.mm6924a2] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Retchless AC, Fox LM, Maiden MCJ, Smith V, Harrison LH, Glennie L, Harrison OB, Wang X. Toward a Global Genomic Epidemiology of Meningococcal Disease. J Infect Dis 2020; 220:S266-S273. [PMID: 31671445 DOI: 10.1093/infdis/jiz279] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Whole-genome sequencing (WGS) is invaluable for studying the epidemiology of meningococcal disease. Here we provide a perspective on the use of WGS for meningococcal molecular surveillance and outbreak investigation, where it helps to characterize pathogens, predict pathogen traits, identify emerging pathogens, and investigate pathogen transmission during outbreaks. Standardization of WGS workflows has facilitated their implementation by clinical and public health laboratories (PHLs), but further development is required for metagenomic shotgun sequencing and targeted sequencing to be widely available for culture-free characterization of bacterial meningitis pathogens. Internet-accessible servers are being established to support bioinformatics analysis, data management, and data sharing among PHLs. However, establishing WGS capacity requires investments in laboratory infrastructure and technical knowledge, which is particularly challenging in resource-limited regions, including the African meningitis belt. Strategic WGS implementation is necessary to monitor the molecular epidemiology of meningococcal disease in these regions and construct a global view of meningococcal disease epidemiology.
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Affiliation(s)
- Adam C Retchless
- Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - LeAnne M Fox
- Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Vincent Smith
- Meningitis Research Foundation, Bristol, United Kingdom
| | - Lee H Harrison
- Infectious Diseases Epidemiology Research Unit, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Linda Glennie
- Meningitis Research Foundation, Bristol, United Kingdom
| | - Odile B Harrison
- Department of Zoology, University of Oxford, Oxford, United Kingdom
| | - Xin Wang
- Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Karadag Oncel E, Ceyhan M, Tanir Basaranoglu S, Gurbuz V, Aycan AE, Ozsurekci Y, Kurugol Z, Keser Emiroglu M, Devrim I, Karbuz A, Altay Akisoglu HO, Gurler N. Surveillance of penicillin resistance of Neisseria meningitidis strains from invasive infections between 2013 and 2018 in Turkey. J Chemother 2020; 32:213-216. [PMID: 32028863 DOI: 10.1080/1120009x.2020.1721176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Neisseria meningitidis (N. meningitidis) is regarded as the leading cause of bacterial meningitis in many regions of the world. The empiric antimicrobial treatment is mainly based on antimicrobial resistance and patient characteristics. We aimed to analyze susceptibility patterns of N. meningitidis strains isolated in Turkey. Invasive meningococci collected in a multicenter, hospital-based, epidemiological surveillance study of pediatric (0-18 years of age) bacterial meningitis cases between 2013 and 2018 were studied. Five isolates (8.7%) displayed resistance to penicillin-G, while 13 isolates (22.8%) had intermediate susceptibility. All isolates were cefotaxime and rifampin susceptible. The data shows appropriateness of third-generation cephalosporins in empirical use for meningococcal infections in children. Since Turkey is located in a transition zone geographically, surveillance reports are very crucial.
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Affiliation(s)
- Eda Karadag Oncel
- Clinics of Pediatric Infectious Diseases, SBU Izmir Tepecik Research and Training Hospital, İzmir, Turkey
| | - Mehmet Ceyhan
- Department of Pediatric Infectious Diseases, Hacettepe University School of Medicine, Ankara, Turkey
| | - Sevgen Tanir Basaranoglu
- Department of Pediatric Infectious Diseases, Hacettepe University School of Medicine, Ankara, Turkey
| | - Venhar Gurbuz
- Department of Pediatric Infectious Diseases, Hacettepe University School of Medicine, Ankara, Turkey
| | - Ahmet Emre Aycan
- Department of Pediatric Infectious Diseases, Hacettepe University School of Medicine, Ankara, Turkey
| | - Yasemin Ozsurekci
- Department of Pediatric Infectious Diseases, Hacettepe University School of Medicine, Ankara, Turkey
| | - Zafer Kurugol
- Department of Pediatric Infectious Diseases, Ege University School of Medicine, Izmir, Turkey
| | - Melike Keser Emiroglu
- Department of Pediatric Infectious Diseases, Selçuk University Faculty of Medicine, Konya, Turkey
| | - Ilker Devrim
- Department of Pediatric Infectious Diseases, Dr. Behçet Uz Children's Hospital, Izmir, Turkey
| | - Adem Karbuz
- Clinics of Pediatric Infectious Diseases, Okmeydanı Training and Research Hospital, Istanbul, Turkey
| | - Havva Ozlem Altay Akisoglu
- Department of Microbiology, Dr. Sami Ulus Maternity and Children's Training and Research Hospital, Ankara, Turkey
| | - Nezahat Gurler
- Department of Medical Microbiology, Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey
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Krone M, Lâm TT, Vogel U, Claus H. Susceptibility of invasive Neisseria meningitidis strains isolated in Germany to azithromycin, an alternative agent for post-exposure prophylaxis. J Antimicrob Chemother 2020; 75:984-987. [DOI: 10.1093/jac/dkz535] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/15/2019] [Accepted: 12/03/2019] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Post-exposure prophylaxis (PEP) for close contacts of invasive meningococcal disease (IMD) cases is recommended in most countries to avoid secondary cases by eradicating supposed meningococcal colonization. Currently, rifampicin, ciprofloxacin and ceftriaxone are recommended in many countries including Germany. Azithromycin has been shown to eradicate meningococcal colonization.
Objectives
To assess the azithromycin susceptibility of invasive Neisseria meningitidis isolates.
Methods
A subset of German invasive meningococcal isolates from 2006–18 was selected for this study. Azithromycin MIC was determined using broth microdilution and agar gradient diffusion.
Results
Azithromycin MICs as determined by broth microdilution ranged from <0.003 to 2 mg/L (median 0.50 mg/L, Q75 1 mg/L). All isolates were susceptible to azithromycin according to the CLSI breakpoint (95% CI 0.0%–1.5%). There was no significant correlation between MICs determined by broth microdilution and agar gradient diffusion. Nevertheless, the two methods were consistent regarding the categorization of all isolates as susceptible.
Conclusions
Azithromycin is an eligible antibiotic for PEP of IMD close contacts. It is approved for adults as well as children and may even be used in pregnancy. Because of easier application and lower toxicity, it might be an alternative to rifampicin and ciprofloxacin, as we found no resistant isolates. Since a gonococcal gene associated with elevated azithromycin MICs has been reported in N. meningitidis, careful monitoring of the emergence of resistant strains is nevertheless necessary for meningococci. Lack of concordance of MICs between broth microdilution and agar gradient diffusion needs to be considered.
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Affiliation(s)
- Manuel Krone
- Institute for Hygiene and Microbiology, National Reference Laboratory for Meningococci and Haemophilus influenzae, University of Würzburg, Josef-Schneider-Str. 2/E1, 97080 Würzburg, Germany
| | - Thiên-Trí Lâm
- Institute for Hygiene and Microbiology, National Reference Laboratory for Meningococci and Haemophilus influenzae, University of Würzburg, Josef-Schneider-Str. 2/E1, 97080 Würzburg, Germany
| | - Ulrich Vogel
- Institute for Hygiene and Microbiology, National Reference Laboratory for Meningococci and Haemophilus influenzae, University of Würzburg, Josef-Schneider-Str. 2/E1, 97080 Würzburg, Germany
| | - Heike Claus
- Institute for Hygiene and Microbiology, National Reference Laboratory for Meningococci and Haemophilus influenzae, University of Würzburg, Josef-Schneider-Str. 2/E1, 97080 Würzburg, Germany
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25
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Malpica L, van Duin D, Moll S. Preventing infectious complications when treating non-malignant immune-mediated hematologic disorders. Am J Hematol 2019; 94:1396-1412. [PMID: 31571266 DOI: 10.1002/ajh.25642] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/11/2019] [Accepted: 09/16/2019] [Indexed: 01/19/2023]
Abstract
Immunosuppressants, targeted antibody therapies, and surgical splenectomy are amongst the treatment choices for immune-mediated non-malignant hematologic disorders, with infection being the most common non-hematological adverse event from these therapies. Corticosteroids are associated with a length-of-treatment and dose-dependent risk for infection, including opportunistic infections. Screening and antimicrobial prophylaxis against tuberculosis, Strongyloides stercoralis, and Pneumocystis jirovecii pneumonia, are indicated in selected patients on steroids and with certain risk factors for infection. Rituximab is associated with hepatitis B virus reactivation. All patients planned to be started on rituximab should be screened for hepatitis B surface antigen and total core antibody, with antiviral prophylaxis given depending on test results. In eculizumab treated patients, immunization against meningococcal serogroups ACWY and B is recommended. In addition, some guidelines suggest antibiotic prophylaxis for the duration of eculizumab treatment. In splenectomized patients, counseling and immunization are cornerstones of infection prevention. Several federal and society guidelines about immunizations and prophylactic antimicrobial therapies for patients treated with various immunosuppressive agents exist and are summarized in this manuscript in a clinical-focused table. In addition, management suggestions are made where no formal guidelines exist.
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Affiliation(s)
- Luis Malpica
- Department of Medicine, Division of Hematology and Oncology, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - David van Duin
- Department of Medicine, Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Stephan Moll
- Department of Medicine, Division of Hematology and Oncology, University of North Carolina School of Medicine, Chapel Hill, North Carolina
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Kharkhal HN, Titov LP. Serogroup diversity and antibiotic susceptibility of Neisseria meningitidis: Meningococcus infection monitoring in Belarus. Acta Microbiol Immunol Hung 2019; 66:443-457. [PMID: 31355666 DOI: 10.1556/030.66.2019.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
This study performed an epidemiological survey of Neisseria meningitidis strains isolated from patients and from asymptomatic carriers. Altogether, 74 N. meningitidis strains (46 invasive and 28 non-invasive) were isolated between February 2011 and May 2018 in different regions of the Republic of Belarus. Serogenotyping was carried out by real-time PCR. Minimum inhibitory concentrations (MICs) of antibiotics were determined by broth microdilution and results were interpreted in accordance with EUCAST. The serogroups of N. meningitidis were determined as follows: serogroup B - 65%, C - 11%, W - 9%, A - 5%, Y - 4%, and Z and NG - 3% each. The MIC50 and MIC90 for benzylpenicillin (0.032/0.064-0.125 mg/L), ampicillin (0.032/0.125 mg/L), amoxicillin (0.125/0.25 mg/L), cefotaxime (0.016/0.016 mg/L), ceftriaxone (0.002/0.016 mg/L), ciprofloxacin (0.004/0.008 mg/L), chloramphenicol (1/1 mg/L), meropenem (0.008/0.008-0.016 mg/L), tetracycline (0.25/0.5 mg/L), and rifampicin (0.016/0.25 mg/L) were established. Strains with intermediate susceptibility for benzylpenicillin (12.3%), ampicillin (6.8%), and amoxicillin (24.7%) have been identified. In this study, we report the first rifampicin-resistant N. meningitidis in Belarus.
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Affiliation(s)
- Hanna N. Kharkhal
- 1 Laboratory of Clinical and Experimental Microbiology, The Republican Research and Practical Center for Epidemiology and Microbiology, Minsk, Republic of Belarus
| | - Leonid P. Titov
- 1 Laboratory of Clinical and Experimental Microbiology, The Republican Research and Practical Center for Epidemiology and Microbiology, Minsk, Republic of Belarus
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Ambrosio L, Neri A, Fazio C, Rossolini GM, Vacca P, Riccobono E, Voller F, Miglietta A, Stefanelli P. Genomic analysis of Neisseria meningitidis carriage isolates during an outbreak of serogroup C clonal complex 11, Tuscany, Italy. PLoS One 2019; 14:e0217500. [PMID: 31136624 PMCID: PMC6538176 DOI: 10.1371/journal.pone.0217500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 05/13/2019] [Indexed: 11/19/2022] Open
Abstract
Background In 2015–2016, a cross-sectional carriage survey was performed in Tuscany Region, Italy, during an outbreak of invasive meningococcal disease due to Neisseria meningitidis serogroup C clonal complex 11 (MenC:cc11). This study aims to evaluate the genomic profile of meningococcal carriage isolates collected during the survey. Methods Whole-genome sequencing (WGS) was performed using Illumina MiSeq on 85 cultivated meningococcal carriage isolates received at the Dept. of Infectious Disease, National Institute of Health (Istituto Superiore di Sanità, ISS), as National Reference Laboratory (NRL) for Invasive Meningococcal Disease (IMD). De novo assembled genomes were scanned by the BIGSdb platform to assign: the genotypic profiles, the cgMLST, the vaccine antigen variants and allele types of antimicrobial resistance associated genes, together with denitrification pathway loci. Results Capsule null and non-groupable meningococci accounted for 52.9% and 10.6%, respectively. Among the remaining carriage isolates, serogroup B was the predominant (71.0%). Serogroup C meningococci were culture negative and unavailable for WGS. Overall, 64 genotypic profiles were identified and, based on cgMLST, isolates clustered according to clonal complexes. Eight isolates (9.4%) harbored at least one gene encoding a 4CMenB vaccine antigen. Mutated penA alleles were found in more than 82%. Finally, complete aniA and norB coding sequences were detected among 71.8% of carriage isolates. Conclusions Meningococcal carriage isolates collected during the MenC:cc11 outbreak were characterized by an extensive genetic diversity. The lack of outbreak-related isolates among carriage might be attributable to the high transmissibility with low duration of colonization of MenC:cc11 meningococci.
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Affiliation(s)
- Luigina Ambrosio
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Arianna Neri
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Cecilia Fazio
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Gian Maria Rossolini
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
- Clinical Microbiology and Virology Unit, Careggi University Hospital, Florence, Italy
| | - Paola Vacca
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Eleonora Riccobono
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Fabio Voller
- Regional Health Agency of Tuscany, Epidemiologic Observatory, Florence, Italy
| | - Alessandro Miglietta
- Regional Health Agency of Tuscany, Epidemiologic Observatory, Florence, Italy
- Units of Epidemiology and Preventive Medicine, Central Tuscany Health Authority, Florence, Italy
| | - Paola Stefanelli
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
- * E-mail:
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Neisseria meningitidis Antimicrobial Resistance in Italy, 2006 to 2016. Antimicrob Agents Chemother 2018; 62:AAC.00207-18. [PMID: 29914967 PMCID: PMC6125500 DOI: 10.1128/aac.00207-18] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 06/06/2018] [Indexed: 01/17/2023] Open
Abstract
The aim of this study was to evaluate the antimicrobial susceptibilities of 866 Neisseria meningitidis invasive strains during 11 years of surveillance in Italy. Two and six strains were resistant to ciprofloxacin and rifampin, respectively. Forty-five percent were penicillin intermediate, associated with hypervirulent serogroup C clonal complex 11. All of the strains were susceptible to cephalosporins.
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Klugman KP, Izadnegahdar R. Antibiotic prophylaxis-Preventing severe infections and saving lives in poor countries with very high mortality risk. PLoS Med 2018; 15:e1002594. [PMID: 29944649 PMCID: PMC6019101 DOI: 10.1371/journal.pmed.1002594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
In a Perspective, Keith P. Klugman and Rasa Izadnegahdar from the Bill and Melinda Gates Foundation discuss the potentials and risks of antibiotic prophylaxis interventions for infectious disease outbreaks in rural regions, such as sub-Saharan Africa with very high mortality rates, when primary prophylactic vaccination programs are not yet available.
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Affiliation(s)
- Keith P. Klugman
- Pneumonia Program Strategy Team, Bill and Melinda Gates Foundation, Seattle, Washington, United States of America
- Maternal Neonatal, Child Health Discovery and Tools Program Strategy Team, Bill and Melinda Gates Foundation, Seattle, Washington, United States of America
| | - Rasa Izadnegahdar
- Maternal Neonatal, Child Health Discovery and Tools Program Strategy Team, Bill and Melinda Gates Foundation, Seattle, Washington, United States of America
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30
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Coldiron ME, Assao B, Page AL, Hitchings MDT, Alcoba G, Ciglenecki I, Langendorf C, Mambula C, Adehossi E, Sidikou F, Tassiou EI, De Lastours V, Grais RF. Single-dose oral ciprofloxacin prophylaxis as a response to a meningococcal meningitis epidemic in the African meningitis belt: A 3-arm, open-label, cluster-randomized trial. PLoS Med 2018; 15:e1002593. [PMID: 29944651 PMCID: PMC6019097 DOI: 10.1371/journal.pmed.1002593] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/21/2018] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Antibiotic prophylaxis for contacts of meningitis cases is not recommended during outbreaks in the African meningitis belt. We assessed the effectiveness of single-dose oral ciprofloxacin administered to household contacts and in village-wide distributions on the overall attack rate (AR) in an outbreak of meningococcal meningitis. METHODS AND FINDINGS In this 3-arm, open-label, cluster-randomized trial during a meningococcal meningitis outbreak in Madarounfa District, Niger, villages notifying a suspected case were randomly assigned (1:1:1) to standard care (the control arm), single-dose oral ciprofloxacin for household contacts within 24 hours of case notification, or village-wide distribution of ciprofloxacin within 72 hours of first case notification. The primary outcome was the overall AR of suspected meningitis after inclusion. A random sample of 20 participating villages was enrolled to document any changes in fecal carriage prevalence of ciprofloxacin-resistant and extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae before and after the intervention. Between April 22 and May 18, 2017, 49 villages were included: 17 to the control arm, 17 to household prophylaxis, and 15 to village-wide prophylaxis. A total of 248 cases were notified in the study after the index cases. The AR was 451 per 100,000 persons in the control arm, 386 per 100,000 persons in the household prophylaxis arm (t test versus control p = 0.68), and 190 per 100,000 persons in the village-wide prophylaxis arm (t test versus control p = 0.032). The adjusted AR ratio between the household prophylaxis arm and the control arm was 0.94 (95% CI 0.52-1.73, p = 0.85), and the adjusted AR ratio between the village-wide prophylaxis arm and the control arm was 0.40 (95% CI 0.19‒0.87, p = 0.022). No adverse events were notified. Baseline carriage prevalence of ciprofloxacin-resistant Enterobacteriaceae was 95% and of ESBL-producing Enterobacteriaceae was >90%, and did not change post-intervention. One limitation of the study was the small number of cerebrospinal fluid samples sent for confirmatory testing. CONCLUSIONS Village-wide distribution of single-dose oral ciprofloxacin within 72 hours of case notification reduced overall meningitis AR. Distributions of ciprofloxacin could be an effective tool in future meningitis outbreak responses, but further studies investigating length of protection, effectiveness in urban settings, and potential impact on antimicrobial resistance patterns should be carried out. TRIAL REGISTRATION ClinicalTrials.gov NCT02724046.
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Affiliation(s)
| | | | | | - Matt D. T. Hitchings
- Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | | | | | | | | | | | - Fati Sidikou
- Centre de Recherche Médicale et Sanitaire, Niamey, Niger
| | | | - Victoire De Lastours
- Department of Internal Medicine, Hôpital Beaujon, Assistance Publique–Hôpitaux de Paris, Paris, France
- IAME Research Group UMC1137, Université Paris Diderot, Paris, France
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Mass chemoprophylaxis for control of outbreaks of meningococcal disease. THE LANCET. INFECTIOUS DISEASES 2018; 18:e272-e281. [PMID: 29858150 DOI: 10.1016/s1473-3099(18)30124-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 11/18/2017] [Accepted: 01/25/2018] [Indexed: 01/09/2023]
Abstract
Although vaccination is the main strategy used to control meningococcal disease outbreaks, mass chemoprophylaxis has also been used as an immediate response to outbreaks, either to supplement vaccination or when vaccination is not possible. However, public health guidelines regarding the use of mass chemoprophylaxis for outbreak control vary by country, partly because the impact of mass chemoprophylaxis on the course of an individual outbreak is difficult to assess. We have reviewed data for the use of mass chemoprophylaxis during 33 outbreaks that occurred both in military populations and in communities and non-military organisations. In most outbreaks, no additional cases of meningococcal disease occurred after mass chemoprophylaxis, or cases occurred only in individuals who had not received prophylaxis. A delay of several weeks was common before cases occurred among prophylaxis recipients. Overall, the outbreak reports that we reviewed suggest that mass chemoprophylaxis might provide temporary protection to chemoprophylaxis recipients during outbreaks.
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Gorla MC, Pinhata JMW, Dias UJ, de Moraes C, Lemos AP. Surveillance of antimicrobial resistance in Neisseria meningitidis strains isolated from invasive cases in Brazil from 2009 to 2016. J Med Microbiol 2018; 67:750-756. [PMID: 29717974 DOI: 10.1099/jmm.0.000743] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
PURPOSE To describe the antimicrobial resistance profile of Neisseria meningitidis isolates causing invasive disease in Brazil from 2009 to 2016. METHODOLOGY Among 3548 N. meningitidis isolates received, 2888 (81.4 %) were analysed for antimicrobial resistance using the broth microdilution technique, as recommended by the Clinical and Laboratory Standards Institute. Isolates were tested for ciprofloxacin, chloramphenicol, ceftriaxone, penicillin G, ampicillin and rifampin. RESULTS All the isolates tested were susceptible to ceftriaxone, while 953 (33.0 %), 1307 (45.3 %) and 2 (0.07 %) isolates were penicillin G-, ampicillin- and rifampin-intermediate, respectively. Resistance to rifampin, ciprofloxacin and chloramphenicol was shown by three isolates (0.1 %), two isolates (0.07 %) and one (0.03 %) isolate, respectively. Although no isolates were resistant to penicillin G in the period of 2009-2016, our results show an upward trend in minimum inhibitory concentrations (MICs) for this drug as of 2010 (P<0.001). There was no significant difference between different gender and age groups of patients for reduced susceptibility to penicillin G. There was a higher frequency of isolates with reduced susceptibility to penicillin G in the South and Southeast regions (P<0.001). This reduced susceptibility was also associated with serotype 19 inside serogroup B (P<0.001). CONCLUSION Despite the decrease in susceptibility to penicillin G and ampicillin observed from 2010, the overall resistance of N. meningitidis isolates to the antimicrobials tested remained uncommon and sporadic, confirming their efficacy for chemoprophylaxis or treatment of invasive meningococcal disease (IMD) in Brazil. Continued surveillance of N. meningitidis antimicrobial susceptibility profiles is important in order to monitor variations in resistance either geographically, over time or in association with emergent clones.
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Affiliation(s)
- Maria Cecília Gorla
- Bacteriology Department, Adolfo Lutz Institute, Av. Dr Arnaldo, 351, São Paulo, CEP 01246-902, SP, Brazil
| | | | - Ueslei José Dias
- Bacteriology Department, Adolfo Lutz Institute, Av. Dr Arnaldo, 351, São Paulo, CEP 01246-902, SP, Brazil
| | - Camile de Moraes
- Secretariat of Health Surveillance, Ministry of Health, Esplanada dos Ministérios, Bloco G, Brasília, Federal District CEP 70058-900, Brazil
| | - Ana Paula Lemos
- Bacteriology Department, Adolfo Lutz Institute, Av. Dr Arnaldo, 351, São Paulo, CEP 01246-902, SP, Brazil
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Retchless AC, Kretz CB, Chang HY, Bazan JA, Abrams AJ, Norris Turner A, Jenkins LT, Trees DL, Tzeng YL, Stephens DS, MacNeil JR, Wang X. Expansion of a urethritis-associated Neisseria meningitidis clade in the United States with concurrent acquisition of N. gonorrhoeae alleles. BMC Genomics 2018; 19:176. [PMID: 29499642 PMCID: PMC5834837 DOI: 10.1186/s12864-018-4560-x] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 02/20/2018] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Increased reports of Neisseria meningitidis urethritis in multiple U.S. cities during 2015 have been attributed to the emergence of a novel clade of nongroupable N. meningitidis within the ST-11 clonal complex, the "U.S. NmNG urethritis clade". Genetic recombination with N. gonorrhoeae has been proposed to enable efficient sexual transmission by this clade. To understand the evolutionary origin and diversification of the U.S. NmNG urethritis clade, whole-genome phylogenetic analysis was performed to identify its members among the N. meningitidis strain collection from the Centers for Disease Control and Prevention, including 209 urogenital and rectal N. meningitidis isolates submitted by U.S. public health departments in eleven states starting in 2015. RESULTS The earliest representatives of the U.S. NmNG urethritis clade were identified from cases of invasive disease that occurred in 2013. Among 209 urogenital and rectal isolates submitted from January 2015 to September 2016, the clade accounted for 189/198 male urogenital isolates, 3/4 female urogenital isolates, and 1/7 rectal isolates. In total, members of the clade were isolated in thirteen states between 2013 and 2016, which evolved from a common ancestor that likely existed during 2011. The ancestor contained N. gonorrhoeae-like alleles in three regions of its genome, two of which may facilitate nitrite-dependent anaerobic growth during colonization of urogenital sites. Additional gonococcal-like alleles were acquired as the clade diversified. Notably, one isolate contained a sequence associated with azithromycin resistance in N. gonorrhoeae, but no other gonococcal antimicrobial resistance determinants were detected. CONCLUSIONS Interspecies genetic recombination contributed to the early evolution and subsequent diversification of the U.S. NmNG urethritis clade. Ongoing acquisition of N. gonorrhoeae alleles by the U.S. NmNG urethritis clade may facilitate the expansion of its ecological niche while also increasing the frequency with which it causes urethritis.
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Affiliation(s)
- Adam C. Retchless
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Cécilia B. Kretz
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
- Present address: Division of Scientific Education and Professional Development, Center for Surveillance, Epidemiology and Laboratory Services, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - How-Yi Chang
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Jose A. Bazan
- Division of Infectious Diseases, Department of Internal Medicine, Ohio State University College of Medicine, Columbus, OH USA
- Sexual Health Clinic, Columbus Public Health, Columbus, OH USA
| | - A. Jeanine Abrams
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Abigail Norris Turner
- Division of Infectious Diseases, Department of Internal Medicine, Ohio State University College of Medicine, Columbus, OH USA
| | - Laurel T. Jenkins
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - David L. Trees
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Yih-Ling Tzeng
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, GA USA
| | - David S. Stephens
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, GA USA
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA USA
| | - Jessica R. MacNeil
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Xin Wang
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA USA
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34
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Benito JM, Ortiz MC, León A, Sarabia LA, Ligos JM, Montoya M, Garcia M, Ruiz-Mateos E, Palacios R, Cabello A, Restrepo C, Rodriguez C, Del Romero J, Leal M, Muñoz-Fernández MA, Alcamí J, García F, Górgolas M, Rallón N. Class-modeling analysis reveals T-cell homeostasis disturbances involved in loss of immune control in elite controllers. BMC Med 2018; 16:30. [PMID: 29490663 PMCID: PMC5830067 DOI: 10.1186/s12916-018-1026-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 02/13/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Despite long-lasting HIV replication control, a significant proportion of elite controller (EC) patients may experience CD4 T-cell loss. Discovering perturbations in immunological parameters could help our understanding of the mechanisms that may be operating in those patients experiencing loss of immunological control. METHODS A case-control study was performed to evaluate if alterations in different T-cell homeostatic parameters can predict CD4 T-cell loss in ECs by comparing data from EC patients showing significant CD4 decline (cases) and EC patients showing stable CD4 counts (controls). The partial least-squares-class modeling (PLS-CM) statistical methodology was employed to discriminate between the two groups of patients, and as a predictive model. RESULTS Herein, we show that among T-cell homeostatic alterations, lower levels of naïve and recent thymic emigrant subsets of CD8 cells and higher levels of effector and senescent subsets of CD8 cells as well as higher levels of exhaustion of CD4 cells, measured prior to CD4 T-cell loss, predict the loss of immunological control. CONCLUSIONS These data indicate that the parameters of T-cell homeostasis may identify those EC patients with a higher proclivity to CD4 T-cell loss. Our results may open new avenues for understanding the mechanisms underlying immunological progression despite HIV replication control, and eventually, for finding a functional cure through immune-based clinical trials.
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Affiliation(s)
- José M Benito
- IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain. .,Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain.
| | | | - Agathe León
- Hospital Clinic-IDIBAPS, HIVACAT, Universidad de Barcelona, Barcelona, Spain
| | | | - José M Ligos
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - María Montoya
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Marcial Garcia
- IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain.,Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain
| | | | - Rosario Palacios
- Unidad de E. Infecciosas. Hospital Virgen de la Victoria e IBIMA, Málaga, Spain
| | - Alfonso Cabello
- Hospital Universitario Fundación Jiménez Díaz, Madrid, Spain
| | - Clara Restrepo
- IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain.,Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain
| | - Carmen Rodriguez
- Centro Sanitario Sandoval, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Jorge Del Romero
- Centro Sanitario Sandoval, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | | | - María A Muñoz-Fernández
- Laboratory of Molecular Immuno-Biology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - José Alcamí
- AIDS Immunopathology Unit, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Felipe García
- Hospital Clinic-IDIBAPS, HIVACAT, Universidad de Barcelona, Barcelona, Spain
| | - Miguel Górgolas
- Hospital Universitario Fundación Jiménez Díaz, Madrid, Spain
| | - Norma Rallón
- IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain. .,Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain.
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McNamara LA, Topaz N, Wang X, Hariri S, Fox L, MacNeil JR. High Risk for Invasive Meningococcal Disease Among Patients Receiving Eculizumab (Soliris) Despite Receipt of Meningococcal Vaccine. Am J Transplant 2017. [DOI: 10.1111/ajt.14426] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- L. A. McNamara
- Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA
| | - N. Topaz
- Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA
| | - X. Wang
- Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA
| | - S. Hariri
- Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA
| | - L. Fox
- Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA
| | - J. R. MacNeil
- Division of Bacterial Diseases; National Center for Immunization and Respiratory Diseases; CDC; Atlanta GA
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Abstract
Effective combination antiretroviral therapy has transformed HIV infection into a chronic disease, with HIV-infected individuals living longer and reaching older age. Neurological disease remains common in treated HIV, however, due in part to ongoing inflammation and immune activation that persist in chronic infection. In this review, we highlight recent developments in our understanding of several clinically relevant neurologic complications that can occur in HIV infection despite treatment, including HIV-associated neurocognitive disorders, symptomatic CSF escape, cerebrovascular disease, and peripheral neuropathy.
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Affiliation(s)
- Nisha S Bhatia
- Department of Neurology, University of California, San Francisco, CA, USA.
| | - Felicia C Chow
- Departments of Neurology and Medicine (Infectious Diseases), University of California, San Francisco, CA, USA
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McNamara LA, Topaz N, Wang X, Hariri S, Fox L, MacNeil JR. High Risk for Invasive Meningococcal Disease Among Patients Receiving Eculizumab (Soliris) Despite Receipt of Meningococcal Vaccine. MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT 2017; 66:734-737. [PMID: 28704351 PMCID: PMC5687588 DOI: 10.15585/mmwr.mm6627e1] [Citation(s) in RCA: 183] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Use of eculizumab (Soliris, Alexion Pharmaceuticals), a terminal complement inhibitor, is associated with a 1,000-fold to 2,000-fold increased incidence of meningococcal disease (1). Administration of meningococcal vaccines is recommended for patients receiving eculizumab before beginning treatment (2,3). Sixteen cases of meningococcal disease were identified in eculizumab recipients in the United States during 2008-2016; among these, 11 were caused by nongroupable Neisseria meningitidis. Fourteen patients had documentation of receipt of at least 1 dose of meningococcal vaccine before disease onset. Because eculizumab recipients remain at risk for meningococcal disease even after receipt of meningococcal vaccines, some health care providers in the United States as well as public health agencies in other countries recommend antimicrobial prophylaxis for the duration of eculizumab treatment; a lifelong course of treatment is expected for many patients. Heightened awareness, early care seeking, and rapid treatment of any symptoms consistent with meningococcal disease are essential for all patients receiving eculizumab treatment, regardless of meningococcal vaccination or antimicrobial prophylaxis status.
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Affiliation(s)
- Lucy A McNamara
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Nadav Topaz
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Xin Wang
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Susan Hariri
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - LeAnne Fox
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Jessica R MacNeil
- Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, CDC
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van de Beek D, Brouwer M, Hasbun R, Koedel U, Whitney CG, Wijdicks E. Community-acquired bacterial meningitis. Nat Rev Dis Primers 2016; 2:16074. [PMID: 27808261 DOI: 10.1038/nrdp.2016.74] [Citation(s) in RCA: 163] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Meningitis is an inflammation of the meninges and subarachnoid space that can also involve the brain cortex and parenchyma. It can be acquired spontaneously in the community - community-acquired bacterial meningitis - or in the hospital as a complication of invasive procedures or head trauma (nosocomial bacterial meningitis). Despite advances in treatment and vaccinations, community-acquired bacterial meningitis remains one of the most important infectious diseases worldwide. Streptococcus pneumoniae and Neisseria meningitidis are the most common causative bacteria and are associated with high mortality and morbidity; vaccines targeting these organisms, which have designs similar to the successful vaccine that targets Haemophilus influenzae type b meningitis, are now being used in many routine vaccination programmes. Experimental and genetic association studies have increased our knowledge about the pathogenesis of bacterial meningitis. Early antibiotic treatment improves the outcome, but the growing emergence of drug resistance as well as shifts in the distribution of serotypes and groups are fuelling further development of new vaccines and treatment strategies. Corticosteroids were found to be beneficial in high-income countries depending on the bacterial species. Further improvements in the outcome are likely to come from dampening the host inflammatory response and implementing preventive measures, especially the development of new vaccines.
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Affiliation(s)
- Diederik van de Beek
- Department of Neurology, Center of Infection and Immunity Amsterdam (CINIMA), Academic Medical Center, P.O. BOX 22660, 1100DD Amsterdam, The Netherlands
| | - Matthijs Brouwer
- Department of Neurology, Center of Infection and Immunity Amsterdam (CINIMA), Academic Medical Center, P.O. BOX 22660, 1100DD Amsterdam, The Netherlands
| | - Rodrigo Hasbun
- Department of Internal Medicine, UT Health McGovern Medical School, Houston, Texas, USA
| | - Uwe Koedel
- Department of Neurology, Clinic Grosshadern of the Ludwig-Maximilians University of Munich, Munich, Germany
| | - Cynthia G Whitney
- Respiratory Diseases Branch, Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Eelco Wijdicks
- Division of Critical Care Neurology, Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
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Weber DJ, Rutala WA. Occupational Health Update: Focus on Preventing the Acquisition of Infections with Pre-exposure Prophylaxis and Postexposure Prophylaxis. Infect Dis Clin North Am 2016; 30:729-57. [PMID: 27515145 PMCID: PMC7135105 DOI: 10.1016/j.idc.2016.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Health care personnel are commonly exposed to infectious agents via sharp injuries (eg, human immunodeficiency virus, hepatitis B virus, and hepatitis C virus), direct patient care (eg, pertussis and meningococcus), and the contaminated environment (eg, Clostridium difficile). An effective occupational program is a key aspect of preventing acquisition of an infection by offering the following: (1) education of health care personnel regarding proper handling of sharps, early identification and isolation of potentially infectious patients, and hand hygiene; (2) assuring immunity to vaccine-preventable diseases; and, (3) immediate availability of a medical evaluation after a nonprotected exposure to an infectious disease.
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Affiliation(s)
- David J Weber
- Hospital Epidemiology, University of North Carolina Health Care, Chapel Hill, NC 27514, USA; Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, NC 27599-7030, USA.
| | - William A Rutala
- Hospital Epidemiology, University of North Carolina Health Care, Chapel Hill, NC 27514, USA; Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, NC 27599-7030, USA
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Baxter M, Jacobson K, Albur M. Moxifloxacin should not be discounted in the treatment of bacterial meningitis. J Infect 2016; 73:173-4. [DOI: 10.1016/j.jinf.2016.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 05/17/2016] [Accepted: 05/19/2016] [Indexed: 10/21/2022]
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Use of Animal Models To Support Revising Meningococcal Breakpoints of β-Lactams. Antimicrob Agents Chemother 2016; 60:4023-7. [PMID: 27090179 DOI: 10.1128/aac.00378-16] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 04/14/2016] [Indexed: 12/15/2022] Open
Abstract
Antibiotic susceptibility testing (AST) in Neisseria meningitidis is an important part of the management of invasive meningococcal disease. It defines MICs of antibiotics that are used in treatment and/or prophylaxis and that mainly belong to the beta-lactams. The interpretation of the AST results requires breakpoints to classify the isolates into susceptible, intermediate, or resistant. The resistance to penicillin G is defined by a MIC of >0.25 mg/liter, and that of amoxicillin is defined by a MIC of >1 mg/liter. We provide data that may support revision of resistance breakpoints for beta-lactams in meningococci. We used experimental intraperitoneal infection in 8-week-old transgenic female mice expressing human transferrin and human factor H. Dynamic bioluminescence imaging was performed to follow the infection by bioluminescent meningococcus strains with different MICs. Three hours later, infected mice were treated intramuscularly using several doses of amoxicillin or penicillin G. Signal decreased during infection with a meningococcus strain showing a penicillin G MIC of 0.064 mg/liter at all doses. Signals decreased for the strain with a penicillin G MIC of 0.5 mg/liter only after treatment with the highest doses, corresponding to 250,000 units/kg of penicillin G or 200 mg/kg of amoxicillin, although this decrease was at a lower rate than that of the strain with a MIC of 0.064 mg/liter. The decrease in bioluminescent signals was associated with a decrease in the levels of the proinflammatory cytokine interleukin-6 (IL-6). Our data suggest that a high dose of amoxicillin or penicillin G can reduce growth during infection by isolates showing penicillin G MICs of >0.25 mg/liter and ≤1 mg/liter.
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Yezli S, Bin Saeed AA, Assiri AM, Alhakeem RF, Yunus MA, Turkistani AM, Booy R, Alotaibi BM. Prevention of meningococcal disease during the Hajj and Umrah mass gatherings: past and current measures and future prospects. Int J Infect Dis 2015; 47:71-8. [PMID: 26707071 DOI: 10.1016/j.ijid.2015.12.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 12/10/2015] [Indexed: 12/21/2022] Open
Abstract
The Kingdom of Saudi Arabia (KSA) has a long history of instituting preventative measures against meningococcal disease (MD). KSA is at risk of outbreaks of MD due to its geographic location, demography, and especially because it hosts the annual Hajj and Umrah mass gatherings. Preventative measures for Hajj and Umrah include vaccination, targeted chemoprophylaxis, health awareness and educational campaigns, as well as an active disease surveillance and response system. Preventative measures have been introduced and updated in accordance with changes in the epidemiology of MD and available preventative tools. The mandatory meningococcal vaccination policy for pilgrims has possibly been the major factor in preventing outbreaks during the pilgrimages. The policy of chemoprophylaxis for all pilgrims arriving from the African meningitis belt has also probably been important in reducing the carriage and transmission of Neisseria meningitidis in KSA and beyond. The preventative measures for Hajj and Umrah are likely to continue to focus on vaccination, but to favour the conjugate vaccine for its extra benefits over the polysaccharide vaccines. Additionally, the surveillance system will continue to be strengthened to ensure early detection and response to cases and outbreaks; ongoing disease awareness campaigns for pilgrims will continue, as will chemoprophylaxis for target groups. Local and worldwide surveillance of the disease and drug-resistant N. meningitidis are crucial in informing future recommendations for vaccination, chemoprophylaxis, and treatment. Preventative measures should be reviewed regularly and updated accordingly, and compliance with these measures should be monitored and enhanced to prevent MD during Hajj and Umrah, as well as local and international outbreaks.
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Affiliation(s)
- Saber Yezli
- The Global Centre for Mass Gatherings Medicine, Public Health Directorate, Ministry of Health, Riyadh, Saudi Arabia.
| | - Abdulaziz A Bin Saeed
- The Global Centre for Mass Gatherings Medicine, Public Health Directorate, Ministry of Health, Riyadh, Saudi Arabia; Department of Family and Community Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - Rafat F Alhakeem
- Public Health Directorate, Ministry of Health, Riyadh, Saudi Arabia
| | - Muslim A Yunus
- Immunization Unit, Public Health Directorate, Ministry of Health, Riyadh, Saudi Arabia
| | | | - Robert Booy
- National Centre for Immunisation Research and Surveillance (NCIRS), The Children's Hospital at Westmead and University of Sydney, Sydney, Australia
| | - Badriah M Alotaibi
- The Global Centre for Mass Gatherings Medicine, Public Health Directorate, Ministry of Health, Riyadh, Saudi Arabia
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