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Fletcher MA, Daigle D, Siapka M, Baay M, Hanquet G, del Carmen Morales G. Serotype distribution of invasive pneumococcal disease from countries of the WHO Africa, Americas, Eastern Mediterranean, South-East Asia, and Western Pacific regions: a systematic literature review from 2010 to 2021. Front Public Health 2024; 12:1402795. [PMID: 39050608 PMCID: PMC11266301 DOI: 10.3389/fpubh.2024.1402795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 06/20/2024] [Indexed: 07/27/2024] Open
Abstract
Background Most publications on invasive pneumococcal disease (IPD) serotype distribution are from about 20 countries (Australia, Canada, China, European Union members, Japan, New Zealand, South Korea, and USA). Here, we reviewed the literature among underrepresented countries in the Americas (AMRO), Africa (AFRO), Eastern Mediterranean (EMRO), South-East Asia (SEARO), and Western Pacific (WPRO) WHO regions. Methods We performed a systematic review of the most recent IPD serotype surveillance publications (from 01/01/2010 to 31/12/2021, Medline/Embase) in those WHO regions. Selection criteria were delineated by contemporality, within-country geographical scope, and number of samples. Reported serotype distributions for each country were stratified by age group, pneumococcal conjugate vaccine (PCV) serotype category (considering undifferentiated serotypes), and PCV program period (pre-PCV, intermediate, or PCVhv [higher valency PCV formulation]). Pre-PCV period pooled data estimated PCV serotype category distribution by age group across WHO regions, while for the PCVhv period, country-level dataset tables were prepared. Results Of 2,793 publications screened, 107 were included (58 pediatric, 11 adult, 37 all ages, and one comprising every age group). One-third of eligible countries (51/135) published serotype distribution, ranging from 30 to 43% by WHO region. Considering number of samples per WHO region, a few countries prevailed: AMRO (Brazil), AFRO (South Africa, Malawi, and Burkina Faso), and WPRO (Taiwan). In the pre-PCV period, PCV13 formulation serotypes predominated: ranging from 74 to 85% in children and 58-86% in adults in the different WHO regions. The PCVhv period represented half of the most recent IPD surveillance by countries (26/51). Undifferentiated serotypes represented >20% of IPD from most countries (34/51). Conclusion Ubiquity of undifferentiated serotypes among the publications could constrain estimates of PCV program impact and of serotype coverage for newer PCVhv formulations; consequently, we recommend that countries favor techniques that identify serotypes specifically and, rather than reporting PCV formulation serotype distributions, provide serotype results individually. Systematic review registration The protocol has been prospectively registered at PROSPERO, identifier: CRD42021278501. https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=278501.
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Affiliation(s)
- Mark A. Fletcher
- Pfizer Vaccines Emerging Markets, Medical Affairs, Paris, France
| | - Derek Daigle
- Pfizer Vaccines Emerging Markets, Medical Affairs, New York, NY, United States
| | | | - Marc Baay
- P95 Epidemiology & Pharmacovigilance, Leuven, Belgium
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Bizri A, Ibrahim A, Dagher E, Matar M, Mohammed M, Bitar N, Atallah P, Moghnieh R, Musharrafieh U, Aoun-Bacha Z. Pneumococcal Disease in High-Risk Adults in Lebanon: Expert Opinion. Vaccines (Basel) 2022; 10:vaccines10101650. [PMID: 36298515 PMCID: PMC9607522 DOI: 10.3390/vaccines10101650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 11/07/2022] Open
Abstract
Pneumococcal disease affects people across all ages but is more prevalent in young children and the elderly. Despite the availability of the pneumococcal vaccine for adults, the disease burden and mortality associated with it remains a challenge. A few studies conducted in Lebanon have reported epidemiology of pneumococcal disease, concurring the high burden among adults and older adults in the region. The pneumococcal vaccine is a part of the routine immunization schedule for children, but there are no recommendations for adult vaccination. A medical advisory board was hence conducted in September 2020 to discuss the burden of pneumococcal disease (PD) among adults in Lebanon. The participants were experts from the fields of internal medicine, family medicine, hematology, cardiology, oncology, endocrinology, pulmonology, and infectious diseases. The experts reached a consensus that there is a need to take steps to increase the rate of adult vaccination uptake and create awareness among physicians, pharmacists, caregivers, and patients. The physicians should be trained on adult immunization and should actively discuss the importance of the pneumococcal vaccine, especially with high-risk adult patients. Implementing adult vaccination as a routine practice and involving various stakeholders to address the gaps can help in reducing the burden of pneumococcal disease in adults.
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Affiliation(s)
- Abdulrahman Bizri
- American University of Beirut Medical Center, Riad El Solh P.O. Box 11-0236, Lebanon
| | - Ahmad Ibrahim
- Al Makassed General Hospital, Tarik Jdide P.O. Box 6301, Lebanon
| | - Elissar Dagher
- School of Medicine and Medical Sciences, Centre Hospitalier Universitaire Notre Dame des Secours, Holy Spirit University of Kaslik, Jounieh P.O. Box 446, Lebanon
| | - Madonna Matar
- School of Medicine and Medical Sciences, Centre Hospitalier Universitaire Notre Dame des Secours, Holy Spirit University of Kaslik, Jounieh P.O. Box 446, Lebanon
| | | | - Nizar Bitar
- Sahel General Hospital, Ghobeiry P.O. Box 99/25, Lebanon
| | - Paola Atallah
- Saint George Hospital University Medical Center, Rmeil P.O. Box 166378, Lebanon
| | - Rima Moghnieh
- Al Makassed General Hospital, Tarik Jdide P.O. Box 6301, Lebanon
- Correspondence: ; Tel.: +96-13829363
| | - Umayya Musharrafieh
- American University of Beirut Medical Center, Riad El Solh P.O. Box 11-0236, Lebanon
| | - Zeina Aoun-Bacha
- Pulmonary and Critical Care Department, Hotel Dieu de France Hospital, University Medical Center, Saint Joseph University, Alfred Naccache P.O. Box 166830, Lebanon
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Bizri AR, Althaqafi A, Kaabi N, Obeidat N, Al Akoury N, Haridy H. The Burden of Invasive Vaccine-Preventable Diseases in Adults in the Middle East and North Africa (MENA) Region. Infect Dis Ther 2021; 10:663-685. [PMID: 33751422 PMCID: PMC7983355 DOI: 10.1007/s40121-021-00420-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 02/19/2021] [Indexed: 11/26/2022] Open
Abstract
Implementing vaccination programmes at the national level is key to managing vaccine-preventable diseases (VPDs) in the overall population. Although paediatric immunization programmes have significantly reduced the burden of VPD, disease burden in adults still poses a substantial challenge, particularly in low- and middle-income countries such as those within the Middle East and North Africa (MENA) region. Invasive bacterial diseases (IBDs) are an important public health concern within this region, although vaccines are available to prevent the three most common causative organisms associated with IBD: Neisseria meningitidis (NM), Streptococcus pneumoniae (SP), and Haemophilus influenzae (HI). For this review, three separate PubMed searches were used to identify English-language publications describing the epidemiology of NM, SP, and HI in adults within the MENA region. Of the 161 total publications retrieved among all 3 literature searches, 39 were included in this review (NM: 8 publications; SP: 27 publications; HI: 4 publications). Publications describing epidemiology in paediatric or overall populations were excluded. Overall, these studies generally observed a high burden of IBD among adults in this region. Although NM, SP, and HI are communicable diseases in several countries, the surveillance systems in the MENA region are largely inadequate, resulting in poor responses to outbreaks and hindering improvement in outcomes of communicable diseases. Improving IBD surveillance would provide necessary estimates of disease burden, resulting in better vaccination strategies and improved outcomes. In conclusion, the present review provides a summary of the available information on the epidemiology of vaccine-preventable IBD in adults within the MENA region and highlights the need for increased disease surveillance and preventive strategies in these countries.
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Affiliation(s)
| | - Abdulhakeem Althaqafi
- Department of Medicine, Ministry of National Guard-Health Affairs, Jeddah, Saudi Arabia.
- King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia.
- King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia.
| | - Nawal Kaabi
- Abu Dhabi Health Services Company, Abu Dhabi, United Arab Emirates
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Reslan L, Finianos M, Bitar I, Moumneh MB, Araj GF, Zaghlout A, Boutros C, Jisr T, Nabulsi M, Kara Yaccoub G, Hamze M, Osman M, Bou Raad E, Hrabak J, Matar GM, Dbaibo G. The Emergence of Invasive Streptococcus pneumoniae Serotype 24F in Lebanon: Complete Genome Sequencing Reveals High Virulence and Antimicrobial Resistance Characteristics. Front Microbiol 2021; 12:637813. [PMID: 33746930 PMCID: PMC7967862 DOI: 10.3389/fmicb.2021.637813] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/29/2021] [Indexed: 12/16/2022] Open
Abstract
Background Invasive pneumococcal disease (IPD) remains a global health problem. IPD incidence has significantly decreased by the use of pneumococcal conjugate vaccines (PCV). Nevertheless, non-PCV serotypes remain a matter of concern. Eight Streptococcus pneumoniae serotype 24F isolates, belonging to a non-PCV serotype, were detected through the Lebanese Inter-Hospital Pneumococcal Surveillance Program. The aim of the study is to characterize phenotypic and genomic features of the 24F isolates in Lebanon. Methods WGS using long reads sequencing (PacBio) was performed to produce complete circular genomes and to determine clonality, antimicrobial resistance and virulence determinants. Results The sequencing results yielded eight closed circular genomes. Three multilocus sequence typing (MLST) types were identified (ST11618, ST14184, ST15253). Both MLST and WGS analyses revealed that these isolates from Lebanon were genetically homogenous belonging to clonal complex CC230 and clustered closely with isolates originating from Canada, United States of America, United Kingdom and Iceland. Their penicillin binding protein profiles correlated with both β-lactam susceptibility patterns and MLST types. Moreover, the isolates harbored the macrolide and tetracycline resistance genes and showed a similar virulence gene profile. To our knowledge, this study represents the first report of complete phenotypic and genomic characterization of the emerging Streptococcus pneumoniae, serotype 24F, in the Middle East and North Africa region.
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Affiliation(s)
- Lina Reslan
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon
| | - Marc Finianos
- Department of Microbiology, Faculty of Medicine and University Hospital in Plzen, Charles University, Plzen, Czechia
| | - Ibrahim Bitar
- Department of Microbiology, Faculty of Medicine and University Hospital in Plzen, Charles University, Plzen, Czechia
| | - Mohamad Bahij Moumneh
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon
| | - George F Araj
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon.,Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Alissar Zaghlout
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon
| | - Celina Boutros
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon
| | - Tamima Jisr
- Department of Laboratory and Blood, Makassed General Hospital, Beirut, Lebanon
| | | | | | - Monzer Hamze
- Department of Microbiology, Nini Hospital, Tripoli, Lebanon
| | - Marwan Osman
- El-Youssef Hospital Center, Department of Clinical Laboratory, Halba, Lebanon
| | - Elie Bou Raad
- El-Youssef Hospital Center, Department of Clinical Laboratory, Halba, Lebanon
| | - Jaroslav Hrabak
- Department of Microbiology, Faculty of Medicine and University Hospital in Plzen, Charles University, Plzen, Czechia
| | - Ghassan M Matar
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon.,Department of Experimental Pathology, Immunology, and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Ghassan Dbaibo
- Center for Infectious Diseases Research (CIDR) and WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon.,Department of Pediatrics and Adolescent Medicine, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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Tannous R, Haddad RN, Torbey PH. Management of Community-Acquired Pneumonia in Pediatrics: Adherence to Clinical Guidelines. Front Pediatr 2020; 8:302. [PMID: 32637387 PMCID: PMC7316885 DOI: 10.3389/fped.2020.00302] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 05/11/2020] [Indexed: 12/04/2022] Open
Abstract
Objectives: To evaluate adherence to guidelines for inpatient care of pediatric patients with community-acquired pneumonia (CAP). Background: Pediatric CAP is one of the most common acute infections requiring hospital admission. Discrepancies between recommended care and effective management are reported, raising the necessity to evaluate our local clinical practices. Patients and Methods: Retrospective data review of all children hospitalized for CAP at our institution was conducted between 2014 and 2017. Adherence to inpatient care guidelines was evaluated with a focus on indication of hospitalization, initial antibiotic choice, treatment duration, and hospital stay. A bivariate analysis was performed to identify clinical factors influencing adherence rates. Results: A total of 122 children (median age of 3.5 years) were identified. Hospital admission was indicated in 47.5% of patients and was driven by the value of serum CRP as well as prolonged fever. Median hospital stay was 4 days and was justified in 23.8% of patients. The choice of antibiotics was relevant in 91.8% of cases and amoxicillin-clavulanate was the most prescribed drug. The drugs dose, interval, and route of administration were respected in all cases. Antimicrobial therapy lasted for a median of 10 days and was in accordance with recommendations in 58.3% of patients. No clinical parameter was found to be significantly associated with length of stay or choice and duration of treatment. Conclusions: The choice of antibiotics was consistent with guidelines but treatment duration, indication and length of hospitalization still need to be improved.
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Affiliation(s)
- Rim Tannous
- Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon
| | - Raymond N Haddad
- Department of Pediatrics, Hotel Dieu de France University Medical Center, Saint Joseph University, Beirut, Lebanon
| | - Paul-Henri Torbey
- Division of Pediatric Pulmonology, Department of Pediatrics, Hotel Dieu de France University Medical Center, Saint Joseph University, Beirut, Lebanon
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