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Jorgensen SCJ, Brown K, Clarke AE, Schwartz KL, Maxwell C, Daneman N, Kwong JC, MacFadden DR. The Effect of COVID-19 Vaccination on Outpatient Antibiotic Prescribing in Older Adults: A Self-Controlled Risk-Interval Study. Clin Infect Dis 2024; 79:375-381. [PMID: 38700036 PMCID: PMC11327793 DOI: 10.1093/cid/ciae182] [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: 01/31/2024] [Indexed: 05/05/2024] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) vaccination has been associated with reduced outpatient antibiotic prescribing among older adults with laboratory-confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We assessed the impact of COVID-19 vaccination on outpatient antibiotic prescribing in the broader population of older adults, regardless of SARS-CoV-2 infection status. METHODS We included adults aged ≥65 years who received their first, second, and/or third COVID-19 vaccine dose from December 2020 to December 2022. We used a self-controlled risk-interval design and included cases who received an antibiotic prescription 2-6 weeks before vaccination (pre-vaccination or control interval) or after vaccination (post-vaccination or risk interval). We used conditional logistic regression to estimate the odds of being prescribed (1) any antibiotic, (2) a typical "respiratory" infection antibiotic, or (3) a typical "urinary tract" infection antibiotic (negative control) in the post-vaccination interval versus the pre-vaccination interval. We accounted for temporal changes in antibiotic prescribing using background monthly antibiotic prescribing counts. RESULTS 469 923 vaccine doses met inclusion criteria. The odds of receiving any antibiotic or a respiratory antibiotic prescription were lower in the post-vaccination versus pre-vaccination interval (aOR, .973; 95% CI, .968-.978; aOR, .961; 95% CI, .953-.968, respectively). There was no association between vaccination and urinary antibiotic prescriptions (aOR, .996; 95% CI, .987-1.006). Periods with high (>10%) versus low (<5%) SARS-CoV-2 test positivity demonstrated greater reductions in antibiotic prescribing (aOR, .875; 95% CI, .845-.905; aOR, .996; 95% CI, .989-1.003, respectively). CONCLUSIONS COVID-19 vaccination was associated with reduced outpatient antibiotic prescribing in older adults, especially during periods of high SARS-CoV-2 circulation.
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Affiliation(s)
- Sarah C J Jorgensen
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
| | - Kevin Brown
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
- Public Health Ontario, Toronto, Ontario, Canada
| | - Anna E Clarke
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
| | - Kevin L Schwartz
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
- Public Health Ontario, Toronto, Ontario, Canada
- Unity Health Toronto, Li Ka Shing Knowledge Institute, Toronto, Ontario, Canada
| | - Colleen Maxwell
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
- Schools of Pharmacy and Public Health Sciences, University of Waterloo, Waterloo, Ontario, Canada
| | - Nick Daneman
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
- Division of Infectious Diseases, Sunnybrook Health Science Centre, Toronto, Ontario, Canada
| | - Jeffrey C Kwong
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
- Public Health Ontario, Toronto, Ontario, Canada
- Centre for Vaccine Preventable Diseases, University of Toronto, Toronto, Ontario, Canada
- Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada
- University Health Network, Toronto, Ontario, Canada
| | - Derek R MacFadden
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
- ICES (formerly Institute for Clinical Evaluative Sciences), Toronto, Ontario, Canada
- Division of Infectious Diseases, University of Ottawa, Ottawa, Ontario, Canada
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Rudan I, Katikireddi SV, Kerr S, Millington T, Grange Z, Sullivan C, Fagbamigbe AF, Swallow B, Kurdi A, Morrison K, Jeffrey K, Simpson CR, Ritchie L, Robertson C, Sheikh A. Selecting the most informative positive and negative controls for self-controlled case series (SCCS): Rationale, approach, and lessons from studies investigating the safety of COVID-19 vaccines. J Glob Health 2024; 14:03037. [PMID: 39105317 DOI: 10.7189/jogh.14.03037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/07/2024] Open
Affiliation(s)
- Igor Rudan
- Usher Institute, The University of Edinburgh, Edinburgh, UK
- Algebra University College, Zagreb, Croatia
| | | | - Steven Kerr
- Usher Institute, The University of Edinburgh, Edinburgh, UK
| | | | | | | | | | - Ben Swallow
- School of Mathematics and Statistics, University of St Andrews, St. Andrews, UK
| | - Amanj Kurdi
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
- Department of Clinical Pharmacy, College of Pharmacy, Hawler Medical University, Erbil, Iraq
- College of Pharmacy, Al-Kitab University, Kirkuk, Iraq
- School of Pharmacy, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | | | - Karen Jeffrey
- Usher Institute, The University of Edinburgh, Edinburgh, UK
| | - Colin R Simpson
- School of Health, Wellington Faculty of Health, Victoria University of Wellington, Wellington, New Zealand
| | - Lewis Ritchie
- School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK
| | - Chris Robertson
- Public Health Scotland, Glasgow, UK
- Department of Mathematics and Statistics, University of Strathclyde, Glasgow, UK
| | - Aziz Sheikh
- Usher Institute, The University of Edinburgh, Edinburgh, UK
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
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Kildegaard H, Lund LC, Pottegård A, Stensballe LG. Effectiveness of the quadrivalent live attenuated influenza vaccine against influenza-related hospitalisations and morbidity among children aged 2 to 6 years in Denmark: a nationwide cohort study emulating a target trial. THE LANCET. CHILD & ADOLESCENT HEALTH 2023; 7:852-862. [PMID: 37898144 DOI: 10.1016/s2352-4642(23)00225-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/31/2023] [Accepted: 08/31/2023] [Indexed: 10/30/2023]
Abstract
BACKGROUND Scant evidence exists on the real-world effectiveness of quadrivalent live attenuated influenza vaccines (LAIV-4) in younger children. We aimed to assess the real-world effectiveness of LAIV-4 against influenza-related hospital contacts and admission and morbidity. METHODS Using nationwide Danish health-care registries, we designed a cohort study that emulates a target trial, comparing LAIV-4 to no vaccination in children aged 2-6 years. Eligible children vaccinated from Oct 1, 2021, to Jan 15, 2022, were matched to unvaccinated controls in a 1:1 ratio according to demographic characteristics and risk groups for influenza, and followed-up until May 31, 2022. Primary study outcomes any hospital contact for influenza and influenza-related hospital admissions more than 12 h in duration, while hospital admission for respiratory tract infections, or for wheezing or asthma, and antibiotic prescriptions were evaluated as secondary outcomes. We estimated incidence rate ratios (IRRs) and 95% CIs using Poisson regression for each outcome. Vaccine effectiveness was calculated as 1 - IRR. FINDINGS Among 308 520 Danish children aged 2-6 years, 95 434 vaccinated children were matched with 95 434 unvaccinated children who acted as controls. Receipt of LAIV-4 compared with no vaccination was associated with a reduced IRR of 0·36 (95% CI 0·27 to 0·46) and estimated vaccine effectiveness of 64·3% (53·6 to 72·6) against influenza-related hospital contacts (76 vs 210 events). The corresponding IRR and vaccine effectiveness against influenza-related hospital admissions were 0·63 (0·38 to 1·05) and 36·9% (-5·2 to 62·1; 24 vs 38 events), respectively. LAIV-4 was not associated with reductions in admission rates for respiratory tract infections (IRR 1·14, 95% CI 0·94 to 1·38), wheezing or asthma (1·04, 0·83 to 1·31), or antibiotic prescriptions for respiratory tract infections (0·97, 0·93 to 1·00). Vaccine effectiveness assessed across risk groups for influenza showed similar effectiveness in children with and without coexisting risk factors for severe influenza. INTERPRETATION LAIV-4 offered moderate protection in younger children against influenza-related hospital contacts during a season dominated by influenza A(H3N2); however vaccination was not associated with reductions in secondary outcomes. This real-world study thereby supports trial evidence of moderate vaccine effectiveness of LAIV-4 against influenza-related outcomes when implementing broad vaccination schedules in younger children. FUNDING Beckett-Fonden.
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Affiliation(s)
- Helene Kildegaard
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense C, Denmark; Clinical Pharmacology, Pharmacy and Environmental Medicine, Department of Public Health, University of Southern Denmark, DK-5000 Odense C, Denmark.
| | - Lars Christian Lund
- Clinical Pharmacology, Pharmacy and Environmental Medicine, Department of Public Health, University of Southern Denmark, DK-5000 Odense C, Denmark
| | - Anton Pottegård
- Clinical Pharmacology, Pharmacy and Environmental Medicine, Department of Public Health, University of Southern Denmark, DK-5000 Odense C, Denmark
| | - Lone Graff Stensballe
- Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital, Rigshospitalet, K⊘benhavn Ø, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, K⊘benhavn Ø, Denmark
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Muller-Pebody B, Sinnathamby MA, Warburton F, Rooney G, Andrews N, Whitaker H, Henderson KL, Tsang C, Hopkins S, Pebody RG. Impact of the childhood influenza vaccine programme on antibiotic prescribing rates in primary care in England. Vaccine 2021; 39:6622-6627. [PMID: 34627625 DOI: 10.1016/j.vaccine.2021.09.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/25/2021] [Accepted: 09/28/2021] [Indexed: 11/26/2022]
Abstract
Vaccines are a key part of the global strategy to tackle antimicrobial resistance (AMR) since prevention of infection should reduce antibiotic use. England commenced national rollout of a live attenuated influenza vaccine (LAIV) programme for children aged 2-3 years together with a series of geographically discrete pilot areas for primary school age children in 2013 extending to older children in subsequent seasons. We investigated vaccine programme impact on community antibiotic prescribing rates. Antibiotic prescribing incidence rates for respiratory (RTI) and urinary tract infections (UTI; controls) were calculated at general practice (GP) level by age category (children<=10 years/adults) and season for LAIV pilot and non-pilot areas between 2013/14 and 2015/16. To estimate the LAIV (primary school age children only) intervention effect, a random effects model was fitted. A multivariable random-effects Poisson regression investigated the association of antibiotic prescribing rates in children with LAIV uptake (2-3-year-olds only) at GP practice level. RTI antibiotic prescribing rates for children <=10 years and adults showed clear seasonal trends and were lower in LAIV-pilot and non-pilot areas after the introduction of the LAIV programme in 2013. The reductions for RTI prescriptions (children) were similar (within 3%) in all areas, which coincided with the start the UK AMR strategy. Antibiotic prescribing was significantly (p < 0.0001) related to LAIV uptake in 2-3-year-olds with antibiotic prescribing reduced by 2.7% (95% CI: 2.1% to 3.4%) for every 10% increase in uptake. We found no evidence the LAIV programme for primary school age children resulted in reductions in RTI antibiotic prescribing, however we detected a significant inverse association between increased vaccine uptake in pre-school age children and antibiotic prescribing at GP level. The temporal association of reduced RTI and UTI antibiotic prescribing with the launch of the UK's AMR Strategy in 2013 highlights the importance of a multifaceted approach to tackle AMR.
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Affiliation(s)
- Berit Muller-Pebody
- Healthcare Associated Infections and Antimicrobial Resistance Division, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Mary A Sinnathamby
- Immunisation and Countermeasures, National Infection Service, Public Health England (PHE), London, United Kingdom.
| | - Fiona Warburton
- Statistics and Modelling Department, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Graeme Rooney
- Healthcare Associated Infections and Antimicrobial Resistance Division, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Nick Andrews
- Statistics and Modelling Department, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Heather Whitaker
- Statistics and Modelling Department, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Katherine L Henderson
- Healthcare Associated Infections and Antimicrobial Resistance Division, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Camille Tsang
- Immunisation and Countermeasures, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Susan Hopkins
- Healthcare Associated Infections and Antimicrobial Resistance Division, National Infection Service, Public Health England (PHE), London, United Kingdom
| | - Richard G Pebody
- Immunisation and Countermeasures, National Infection Service, Public Health England (PHE), London, United Kingdom
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Jansen KU, Gruber WC, Simon R, Wassil J, Anderson AS. The impact of human vaccines on bacterial antimicrobial resistance. A review. ENVIRONMENTAL CHEMISTRY LETTERS 2021; 19:4031-4062. [PMID: 34602924 PMCID: PMC8479502 DOI: 10.1007/s10311-021-01274-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 07/09/2021] [Indexed: 05/07/2023]
Abstract
At present, the dramatic rise in antimicrobial resistance (AMR) among important human bacterial pathogens is reaching a state of global crisis threatening a return to the pre-antibiotic era. AMR, already a significant burden on public health and economies, is anticipated to grow even more severe in the coming decades. Several licensed vaccines, targeting both bacterial (Haemophilus influenzae type b, Streptococcus pneumoniae, Salmonella enterica serovar Typhi) and viral (influenza virus, rotavirus) human pathogens, have already proven their anti-AMR benefits by reducing unwarranted antibiotic consumption and antibiotic-resistant bacterial strains and by promoting herd immunity. A number of new investigational vaccines, with a potential to reduce the spread of multidrug-resistant bacterial pathogens, are also in various stages of clinical development. Nevertheless, vaccines as a tool to combat AMR remain underappreciated and unfortunately underutilized. Global mobilization of public health and industry resources is key to maximizing the use of licensed vaccines, and the development of new prophylactic vaccines could have a profound impact on reducing AMR.
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Affiliation(s)
| | | | - Raphael Simon
- Pfizer Vaccine Research and Development, Pearl River, NY USA
| | - James Wassil
- Pfizer Patient and Health Impact, Collegeville, PA USA
- Present Address: Vaxcyte, 353 Hatch Drive, Foster City, CA 94404 USA
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6
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Fitzpatrick T, Malcolm W, McMenamin J, Reynolds A, Guttmann A, Hardelid P. Community-Based Antibiotic Prescribing Attributable to Respiratory Syncytial Virus and Other Common Respiratory Viruses in Young Children: A Population-Based Time-series Study of Scottish Children. Clin Infect Dis 2021; 72:2144-2153. [PMID: 32270199 DOI: 10.1093/cid/ciaa403] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 04/07/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Inappropriate antibiotic prescribing, such as for viral illness, remains common in primary care. The objective of this study was to estimate the proportion of community-prescribed antibiotics to children aged less than 5 years attributable to common respiratory viruses. METHODS We fitted time-series negative binomial models to predict weekly antibiotic prescribing rates from positive viral pathogen tests for the period 1 April 2009 through 27 December 2017 using comprehensive, population-based administrative data for all children (<5 years) living in Scotland. Multiple respiratory viral pathogens were considered, including respiratory syncytial virus (RSV), influenza, human metapneumovirus (HMPV), rhinovirus, and human parainfluenza (HPIV) types 1-4. We estimated the proportion of antibiotic prescriptions explained by virus circulation according to type of virus, by age group, presence of high-risk chronic conditions, and antibiotic class. RESULTS We included data on 6 066 492 antibiotic prescriptions among 452 877 children. The antibiotic-prescribing rate among all Scottish children (<5 years) was 609.7 per 1000 child-years. Our final model included RSV, influenza, HMPV, HPIV-1, and HPIV-3. An estimated 6.9% (95% confidence interval, 5.6-8.3%), 2.4% (1.7-3.1%), and 2.3% (.8-3.9%) of antibiotics were attributable to RSV, influenza, and HMPV, respectively. RSV was consistently associated with the highest proportion of prescribed antibiotics, particularly among children without chronic conditions and for amoxicillin and macrolide prescriptions. CONCLUSIONS Nearly 14% of antibiotics prescribed to children in this study were estimated to be attributable to common viruses for which antibiotics are not recommended. A future RSV vaccine could substantially reduce unnecessary antibiotic prescribing among children.
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Affiliation(s)
- Tiffany Fitzpatrick
- UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.,SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada.,Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
| | - William Malcolm
- Health Protection Scotland, NHS National Services Scotland Meridian Court, Glasgow, United Kingdom
| | - Jim McMenamin
- Health Protection Scotland, NHS National Services Scotland Meridian Court, Glasgow, United Kingdom
| | - Arlene Reynolds
- Health Protection Scotland, NHS National Services Scotland Meridian Court, Glasgow, United Kingdom
| | - Astrid Guttmann
- SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada.,Dalla Lana School of Public Health, University of Toronto, Toronto, Canada.,ICES, Toronto, Canada
| | - Pia Hardelid
- UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
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BOCCALINI SARA, PARIANI ELENA, CALABRÒ GIOVANNAELISA, DE WAURE CHIARA, PANATTO DONATELLA, AMICIZIA DANIELA, LAI PIEROLUIGI, RIZZO CATERINA, AMODIO EMANUELE, VITALE FRANCESCO, CASUCCIO ALESSANDRA, DI PIETRO MARIALUISA, GALLI CRISTINA, BUBBA LAURA, PELLEGRINELLI LAURA, VILLANI LEONARDO, D’AMBROSIO FLORIANA, CAMINITI MARTA, LORENZINI ELISA, FIORETTI PAOLA, MICALE ROSANNATINDARA, FRUMENTO DAVIDE, CANTOVA ELISA, PARENTE FLAVIO, TRENTO GIACOMO, SOTTILE SARA, PUGLIESE ANDREA, BIAMONTE MASSIMILIANOALBERTO, GIORGETTI DUCCIO, MENICACCI MARCO, D’ANNA ANTONIO, AMMOSCATO CLAUDIA, LA GATTA EMANUELE, BECHINI ANGELA, BONANNI PAOLO. [Health Technology Assessment (HTA) of the introduction of influenza vaccination for Italian children with Fluenz Tetra ®]. JOURNAL OF PREVENTIVE MEDICINE AND HYGIENE 2021; 62:E1-E118. [PMID: 34909481 PMCID: PMC8639053 DOI: 10.15167/2421-4248/jpmh2021.62.2s1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- SARA BOCCALINI
- Dipartimento di Scienze della Salute, Università degli Studi di Firenze, Firenze, Italia
| | - ELENA PARIANI
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italia
- Centro Interuniversitario per la Ricerca sull'Influenza e le altre Infezioni Trasmissibili CIRI-IT, Italia
| | - GIOVANNA ELISA CALABRÒ
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
- VIHTALI (Value In Health Technology and Academy for Leadership & Innovation), spin off dell’Università Cattolica del Sacro Cuore, Roma, Italia
| | - CHIARA DE WAURE
- Dipartimento di Medicina e Chirurgia, Università degli Studi di Perugia, Perugia, Italia
| | - DONATELLA PANATTO
- Centro Interuniversitario per la Ricerca sull'Influenza e le altre Infezioni Trasmissibili CIRI-IT, Italia
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - DANIELA AMICIZIA
- Centro Interuniversitario per la Ricerca sull'Influenza e le altre Infezioni Trasmissibili CIRI-IT, Italia
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - PIERO LUIGI LAI
- Centro Interuniversitario per la Ricerca sull'Influenza e le altre Infezioni Trasmissibili CIRI-IT, Italia
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - CATERINA RIZZO
- Area Funzionale Percorsi Clinici ed Epidemiologia, Ospedale Pediatrico Bambino Gesù, IRCCS, Roma, Italia
| | - EMANUELE AMODIO
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza “G. D'Alessandro”, Università degli Studi di Palermo, Palermo, Italia
| | - FRANCESCO VITALE
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza “G. D'Alessandro”, Università degli Studi di Palermo, Palermo, Italia
| | - ALESSANDRA CASUCCIO
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza “G. D'Alessandro”, Università degli Studi di Palermo, Palermo, Italia
| | - MARIA LUISA DI PIETRO
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
| | - CRISTINA GALLI
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italia
| | - LAURA BUBBA
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italia
| | - LAURA PELLEGRINELLI
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italia
| | - LEONARDO VILLANI
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
| | - FLORIANA D’AMBROSIO
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
| | - MARTA CAMINITI
- Dipartimento di Medicina e Chirurgia, Università degli Studi di Perugia, Perugia, Italia
| | - ELISA LORENZINI
- Dipartimento di Medicina e Chirurgia, Università degli Studi di Perugia, Perugia, Italia
| | - PAOLA FIORETTI
- Dipartimento di Medicina e Chirurgia, Università degli Studi di Perugia, Perugia, Italia
| | | | - DAVIDE FRUMENTO
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - ELISA CANTOVA
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - FLAVIO PARENTE
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - GIACOMO TRENTO
- Dipartimento di Scienze della Salute, Università degli Studi di Genova, Genova, Italia
| | - SARA SOTTILE
- Università degli Studi di Trento, Trento, Italia
| | | | | | - DUCCIO GIORGETTI
- Dipartimento di Scienze della Salute, Università degli Studi di Firenze, Firenze, Italia
| | - MARCO MENICACCI
- Dipartimento di Scienze della Salute, Università degli Studi di Firenze, Firenze, Italia
| | - ANTONIO D’ANNA
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza “G. D'Alessandro”, Università degli Studi di Palermo, Palermo, Italia
| | - CLAUDIA AMMOSCATO
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza “G. D'Alessandro”, Università degli Studi di Palermo, Palermo, Italia
| | - EMANUELE LA GATTA
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
| | - ANGELA BECHINI
- Dipartimento di Scienze della Salute, Università degli Studi di Firenze, Firenze, Italia
| | - PAOLO BONANNI
- Dipartimento di Scienze della Salute, Università degli Studi di Firenze, Firenze, Italia
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8
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Rodgers LR, Streeter AJ, Lin N, Hamilton W, Henley WE. Impact of influenza vaccination on amoxicillin prescriptions in older adults: A retrospective cohort study using primary care data. PLoS One 2021; 16:e0246156. [PMID: 33513169 PMCID: PMC7846013 DOI: 10.1371/journal.pone.0246156] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/15/2021] [Indexed: 11/18/2022] Open
Abstract
Background Bacterial infections of the upper and lower respiratory tract are a frequent complication of influenza and contribute to the widespread use of antibiotics. Influenza vaccination may help reduce both appropriate and inappropriate prescribing of antibiotics. Electronic health records provide a rich source of information for assessing secondary effects of influenza vaccination. Methods We conducted a retrospective study to estimate effects of influenza vaccine on antibiotic (amoxicillin) prescription in the elderly based on data from the Clinical Practice Research Datalink. The introduction of UK policy to recommend the influenza vaccine to older adults in 2000 led to a substantial increase in uptake, creating a natural experiment. Of 259,753 eligible patients that were unvaccinated in 1999 and aged≥65y by January 2000, 88,519 patients received influenza vaccination in 2000. These were propensity score matched 1:1 to unvaccinated patients. Time-to-amoxicillin was analysed using the Prior Event Rate Ratio (PERR) Pairwise method to address bias from time-invariant measured and unmeasured confounders. A simulation study and negative control outcome were used to help strengthen the validity of results. Results Compared to unvaccinated patients, those from the vaccinated group were more likely to be prescribed amoxicillin in the year prior to vaccination: hazard ratio (HR) 1.90 (95% confidence interval 1.83, 1.98). Following vaccination, the vaccinated group were again more likely to be prescribed amoxicillin, HR 1.64 (1.58,1.71). After adjusting for prior differences between the two groups using PERR Pairwise, overall vaccine effectiveness was 0.86 (0.81, 0.92). Additional analyses suggested that provided data meet the PERR assumptions, these estimates were robust. Conclusions Once differences between groups were taken into account, influenza vaccine had a beneficial effect, lowering the frequency of amoxicillin prescribing in the vaccinated group. Ensuring successful implementation of national programmes of vaccinating older adults against influenza may help contribute to reducing antibiotic resistance.
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Affiliation(s)
- Lauren R. Rodgers
- Institute of Health Research, University of Exeter Medical School, Exeter, United Kingdom
- * E-mail:
| | - Adam J. Streeter
- Medical Statistics, Faculty of Health: Medicine, Dentistry & Human Sciences, University of Plymouth, Plymouth, United Kingdom
| | - Nan Lin
- Department of Mathematics, Physics and Electrical Engineering, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Willie Hamilton
- Institute of Health Research, University of Exeter Medical School, Exeter, United Kingdom
| | - William E. Henley
- Institute of Health Research, University of Exeter Medical School, Exeter, United Kingdom
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Zylbersztejn A, Gilbert R, Hardelid P. Developing a national birth cohort for child health research using a hospital admissions database in England: The impact of changes to data collection practices. PLoS One 2020; 15:e0243843. [PMID: 33320878 PMCID: PMC7737962 DOI: 10.1371/journal.pone.0243843] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 11/29/2020] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND National birth cohorts derived from administrative health databases constitute unique resources for child health research due to whole country coverage, ongoing follow-up and linkage to other data sources. In England, a national birth cohort can be developed using Hospital Episode Statistics (HES), an administrative database covering details of all publicly funded hospital activity, including 97% of births, with longitudinal follow-up via linkage to hospital and mortality records. We present methods for developing a national birth cohort using HES and assess the impact of changes to data collection over time on coverage and completeness of linked follow-up records for children. METHODS We developed a national cohort of singleton live births in 1998-2015, with information on key risk factors at birth (birth weight, gestational age, maternal age, ethnicity, area-level deprivation). We identified three changes to data collection, which could affect linkage of births to follow-up records: (1) the introduction of the "NHS Numbers for Babies (NN4B)", an on-line system which enabled maternity staff to request a unique healthcare patient identifier (NHS number) immediately at birth rather than at civil registration, in Q4 2002; (2) the introduction of additional data quality checks at civil registration in Q3 2009; and (3) correcting a postcode extraction error for births by the data provider in Q2 2013. We evaluated the impact of these changes on trends in two outcomes in infancy: hospital readmissions after birth (using interrupted time series analyses) and mortality rates (compared to published national statistics). RESULTS The cohort covered 10,653,998 babies, accounting for 96% of singleton live births in England in 1998-2015. Overall, 2,077,929 infants (19.5%) had at least one hospital readmission after birth. Readmission rates declined by 0.2% percentage points per annual quarter in Q1 1998 to Q3 2002, shifted up by 6.1% percentage points (compared to the expected value based on the trend before Q4 2002) to 17.7% in Q4 2002 when NN4B was introduced, and increased by 0.1% percentage points per annual quarter thereafter. Infant mortality rates were under-reported by 16% for births in 1998-2002 and similar to published national mortality statistics for births in 2003-2015. The trends in infant readmission were not affected by changes to data collection practices in Q3 2009 and Q2 2013, but the proportion of unlinked mortality records in HES and in ONS further declined after 2009. DISCUSSION HES can be used to develop a national birth cohort for child health research with follow-up via linkage to hospital and mortality records for children born from 2003 onwards. Re-linking births before 2003 to their follow-up records would maximise potential benefits of this rich resource, enabling studies of outcomes in adolescents with over 20 years of follow-up.
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Grants
- MR/K006584/1 Medical Research Council
- Arthritis Research UK
- British Heart Foundation
- Cancer Research UK
- Chief Scientist Office
- Department of Health
- Wellcome Trust
- Awards to establish the Farr Institute of Health Informatics Research, London, from the Medical Research Council, Arthritis Research UK, British Heart Foundation, Cancer Research UK, Chief Scientist Office, Economic and Social Research Council, Engineering and Physical Sciences Research Council, National Institute for Health Research, National Institute for Social Care and Health Research, and Wellcome Trust
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Affiliation(s)
- Ania Zylbersztejn
- Population, Policy and Practice Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- NIHR Children and Families Policy Research Unit, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Ruth Gilbert
- Population, Policy and Practice Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- NIHR Children and Families Policy Research Unit, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- Health Data Research UK London, UCL, London, United Kingdom
| | - Pia Hardelid
- Population, Policy and Practice Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- NIHR Children and Families Policy Research Unit, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
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Miller L, Costelloe CE, Robotham JV, Pouwels KB. Overuse of antibiotics: Can viral vaccinations help stem the tide? Br J Clin Pharmacol 2020; 87:87-89. [PMID: 33207008 PMCID: PMC7753246 DOI: 10.1111/bcp.14651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/16/2020] [Accepted: 11/03/2020] [Indexed: 02/05/2023] Open
Affiliation(s)
- Lucy Miller
- Global Digital Health Unit, Department of Primary Care and Public Health, Imperial College London, London, UK
| | - Ceire E Costelloe
- Global Digital Health Unit, Department of Primary Care and Public Health, Imperial College London, London, UK
| | - Julie V Robotham
- HCAI and AMR Division, National Infection Service, Public Health England, London, UK
| | - Koen B Pouwels
- Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK
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Doherty TM, Hausdorff WP, Kristinsson KG. Effect of vaccination on the use of antimicrobial agents: a systematic literature review. Ann Med 2020; 52:283-299. [PMID: 32597236 PMCID: PMC7880080 DOI: 10.1080/07853890.2020.1782460] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Antimicrobial resistance is a growing global health threat. To preserve the effectiveness of antimicrobials, it is important to reduce demand for antimicrobials. OBJECTIVES The objective of the study was to screen the existing peer-reviewed literature to identify articles that addressed the potential impact of influenza or Pneumococcus vaccination on antibiotic usage. Data sources: PubMed, Embase Study eligibility criteria: Clinical studies where antimicrobial prescribing was assessed in both vaccinated and unvaccinated populations. Participants and interventions: All patient populations were included (infants, children, adults and elderly), where the effects of the intervention (vaccination) was assessed. RESULTS We identified unique 3638 publications, of which 26 were judged to be of sufficiently high quality to allow the calculation of the potential impact of vaccination. Of these studies 23/26 found a significant reduction in antibiotic use by at least one of the parameters assessed. LIMITATIONS Different measures used to define anti-microbial use, studies typically focus on specific risk groups and most studies are from high-income countries. Conclusions and implications of key findings: Despite the limitations of the review, the evidence indicates that improved coverage with existing vaccines may significantly reduce antimicrobial demand. This suggests it may be a valuable tool for antimicrobial stewardship. Key messages While vaccines against a number of pathogens have been studied for their ability to reduce antimicrobial use, currently only vaccination against influenza or pneumococcus has generated sufficient data for analysis Vaccination against either influenza or pneumococcus significantly reduced overall antimicrobial prescribing rates, both in vaccinated individuals and at a population level Maintaining and expanding vaccination coverage thus appears to be a key tool for antimicrobial stewardship.
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Affiliation(s)
| | - William P Hausdorff
- PATH, Washington, DC, USA.,Faculty of Medicine, Université Libre de Bruxelles, Brussels, Belgium
| | - Karl G Kristinsson
- Department of Clinical Microbiology, Landspitali University Hospital, Reykjavík, Iceland.,Faculty of Medicine, University of Iceland, Reykjavík, Iceland
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Implementation of the United Kingdom's childhood influenza national vaccination programme: A review of clinical impact and lessons learned over six influenza seasons. Vaccine 2020; 38:5747-5758. [PMID: 32703747 DOI: 10.1016/j.vaccine.2020.06.065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 06/18/2020] [Accepted: 06/20/2020] [Indexed: 11/22/2022]
Abstract
In 2012, the Joint Committee on Vaccination and Immunisation recommended that the United Kingdom's (UK) National Vaccination Programme (NVP) for influenza was extended to include healthy children and adolescents aged 2 to <17 years. Previously, the UK's NVP focused on seasonal vaccination of the elderly and people (including children) with underlying health conditions that put them at high risk of hospitalisation if they contracted influenza. The extension of the UK's programme began in the 2013/14 influenza season through the vaccination of children aged 2-3 years in primary care across England and the devolved administrations of Scotland, Wales, and Northern Ireland. School-aged children were generally vaccinated in a school setting, with several implementation pilots in England and Scotland. Due to the scale of the programme, it has been phased in over several years and expanded to include broader childhood age groups. This article reviews the experiences from the implementation of the UK's childhood influenza NVP over the first six influenza seasons (between 2013/14 and 2018/19) from the perspectives of England, Scotland, Wales, and Northern Ireland. The processes used to deliver the vaccination programme in general practice and the school-based setting are described in terms of governance, contracting, workforce management, communication, administrative tasks, vaccination sessions, vaccine supply and distribution, and surveillance. In addition, the available evidence regarding the clinical impact of the UK's childhood influenza NVP over the first six influenza seasons is reviewed. We also share lessons learned from the programme and recommendations to provide guidance to other countries looking to implement childhood influenza vaccination programmes.
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Chae C, Davies NG, Jit M, Atkins KE. Effect of Pediatric Influenza Vaccination on Antibiotic Resistance, England and Wales. Emerg Infect Dis 2020; 26:138-142. [PMID: 31574242 PMCID: PMC6924886 DOI: 10.3201/eid2601.191110] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Vaccines against viral infections have been proposed to reduce prescribing of antibiotics and thereby help control resistant bacterial infections. However, by combining published data sources, we predict that pediatric live attenuated influenza vaccination in England and Wales will not substantially reduce antibiotic consumption or adverse health outcomes associated with antibiotic resistance.
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Affiliation(s)
| | | | - Mark Jit
- London School of Hygiene and Tropical Medicine, London, UK (C. Chae, N.G. Davies, M. Jit, K.E. Atkins)
- Public Health England, London (M. Jit); University of Edinburgh, Scotland, UK (K.E. Atkins)
| | - Katherine E. Atkins
- London School of Hygiene and Tropical Medicine, London, UK (C. Chae, N.G. Davies, M. Jit, K.E. Atkins)
- Public Health England, London (M. Jit); University of Edinburgh, Scotland, UK (K.E. Atkins)
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A Trilogy of Influenza, Immunization, and Antimicrobial Resistance: A Review Article. ARCHIVES OF CLINICAL INFECTIOUS DISEASES 2019. [DOI: 10.5812/archcid.89954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Impact of existing vaccines in reducing antibiotic resistance: Primary and secondary effects. Proc Natl Acad Sci U S A 2019; 115:12896-12901. [PMID: 30559195 DOI: 10.1073/pnas.1721095115] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Vaccines impact antibiotic-resistant infections in two ways: through a direct reduction in the organisms and strains carrying resistant genes that are specifically targeted by the vaccine and also via a secondary effect through a reduction in febrile illnesses that often lead to the use of antibiotics. We review here the impact of pneumococcal conjugate vaccines (PCVs) on the prevalence of antibiotic-resistant disease and antibiotic usage as an example of the direct effect of vaccines on antibiotic resistance and the impact of influenza vaccination on antibiotic usage as an example of a secondary effect. A prelicensure study of a PCV in Africa demonstrated 67% fewer penicillin-resistant invasive disease episodes in the PCV group compared with controls. Similar studies in the United States and Europe demonstrated reductions in antibiotic use consistent with the vaccines' impact on the risk of otitis media infections in children. Postlicensure reductions in the circulation of antibiotic-resistant strains targeted by the vaccines have been dramatic, with virtual elimination of these strains in children following vaccine introduction. In terms of a secondary effect, following influenza vaccination reductions of 13-50% have been observed in the use of antibiotics by individuals receiving influenza vaccine compared with controls. With the demonstrated effectiveness of vaccination programs in impacting the risk of antibiotic-resistant infections and the increasing threat to public health that these infections represent, more attention needs to be given to development and utilization of vaccines to address antibiotic resistance.
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Abstract
INTRODUCTION Abuse and misuse of available antimicrobial drugs have increased antimicrobial resistance (AMR), with relevant adverse health and economic impacts. Several factors suggest that the influenza vaccine is a possible effective measure to control AMR through a significant reduction in antibiotic consumption. In this paper, aspects related will be discussed. AREAS COVERED Although the effectiveness of influenza immunization can significantly vary according to the study design, the circulating influenza viruses, the type of vaccine, the age of the enrolled subjects, the outcome measured and the season of the study, all experts agree that the influenza vaccine can significantly reduce the risk of contracting influenza in subjects of any age. Consequently, influenza vaccination may reduce the number of bacterial superimposed infections that can complicate influenza and require antibiotic prescriptions EXPERT COMMENTARY Several indirect and direct observations seem to indicate that influenza vaccines can play an important role in reducing influenza-related antibiotic prescriptions. This finding can lead to at least two undeniable advantages, reductions in drug expenditure and limitations of the risk of favoring AMR development. However, only when universal vaccination is accepted and implemented will the true advantages of the influenza vaccine in reducing AMR development be completely known and exploited.
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Affiliation(s)
- Susanna Esposito
- a Pediatric Clinic, Department of Surgical and Biomedical Sciences , Università degli Studi di Perugia , Perugia , Italy
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