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van Heuvel L, Paget J, Dückers M, Caini S. The impact of influenza and pneumococcal vaccination on antibiotic use: an updated systematic review and meta-analysis. Antimicrob Resist Infect Control 2023; 12:70. [PMID: 37452389 PMCID: PMC10347879 DOI: 10.1186/s13756-023-01272-6] [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: 02/16/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND Vaccination can prevent bacterial and viral infections that could otherwise increase the chances of receiving (unnecessary) antibiotic treatment(s). As a result, vaccination may provide an important public health intervention to control antimicrobial resistance (AMR). OBJECTIVES Perform a systematic literature review to better understand the impact of influenza, pneumococcal and COVID-19 vaccination on antibiotic use, and to identify differences in effect between world regions and study designs. METHODS We performed a systematic literature review and meta-analysis which updated previous literature reviews with new data from 1 October 2018 to 1 December 2021. The study focuses on randomised controlled trials (RCTs) and observational studies. Results from the meta-analysis of RCTs were stratified by WHO region and age group. Vote counting based on the direction of effect was applied to synthesize the results of the observational studies. RESULTS Most studies are performed in the WHO European Region and the Region of the Americas in high-income countries. RCTs show that the effect of influenza vaccination on the number of antibiotic prescriptions or days of antibiotic use (Ratio of Means (RoM) 0.71, 95% CI 0.62-0.83) is stronger compared to the effect of pneumococcal vaccination (RoM 0.92, 95% CI 0.85-1.00). These studies also confirm a reduction in the proportion of people receiving antibiotics after influenza vaccination (Risk Ratio (RR) 0.63, 95% CI 0.51-0.79). The effect of influenza vaccination in the European and American regions ranged from RoM 0.63 and 0.87 to RR 0.70 and 0.66, respectively. The evidence from observational studies supports these findings but presents a less consistent picture. No COVID-19 studies were identified. CONCLUSION We find that both RCTs and observational studies show that influenza vaccination significantly reduces antibiotic use, while the effect of pneumococcal vaccination is less pronounced. We were unable to study the effect of COVID-19 vaccination and no clear regional patterns were found due to the high heterogeneity between studies. Overall, our data supports the use of influenza vaccination as an important public health intervention to reduce antibiotic use and possibly control AMR.
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Affiliation(s)
- Lotte van Heuvel
- Netherlands Institute for Health Services Research (Nivel), Otterstraat 118, 3513 CR, Utrecht, The Netherlands
| | - John Paget
- Netherlands Institute for Health Services Research (Nivel), Otterstraat 118, 3513 CR, Utrecht, The Netherlands.
| | - Michel Dückers
- Netherlands Institute for Health Services Research (Nivel), Otterstraat 118, 3513 CR, Utrecht, The Netherlands
- ARQ Centre of Expertise for the Impact of Disasters and Crises, Diemen, The Netherlands
- Faculty of Behavioural and Social Sciences, University of Groningen, Groningen, The Netherlands
| | - Saverio Caini
- Netherlands Institute for Health Services Research (Nivel), Otterstraat 118, 3513 CR, Utrecht, The Netherlands
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Streeter AJ, Rodgers LR, Hamilton F, Masoli JAH, Blé A, Hamilton WT, Henley WE. Influenza vaccination reduced myocardial infarctions in United Kingdom older adults: a prior event rate ratio study. J Clin Epidemiol 2022; 151:122-131. [PMID: 35817230 DOI: 10.1016/j.jclinepi.2022.06.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 12/25/2022]
Abstract
OBJECTIVES We aimed to estimate the real-world effectiveness of the influenza vaccine against myocardial infarction (MI) and influenza in the decade since adults aged ≥ 65 years were first recommended the vaccine. STUDY DESIGN AND SETTING We identified annual cohorts, 1997 to 2011, of adults aged ≥ 65 years, without previous influenza vaccination, from UK general practices, registered with the Clinical Practice Research Datalink. Using a quasi-experimental study design to control for confounding bias, we estimated influenza vaccine effectiveness on hospitalization for MI, influenza, and antibiotic prescriptions for lower respiratory tract infections. RESULTS Vaccination was moderately effective against influenza, the prior event rate ratio-adjusted hazard ratios ranging from 0.70 in 1999 to 0.99 in 2001. Prior event rate ratio-adjusted hazard ratios demonstrated a protective effect against MIs, varying between 0.40 in 2010 and 0.89 in 2001. Aggregated across the cohorts, influenza vaccination reduced the risk of MIs by 39% (95% confidence interval: 34%, 44%). CONCLUSION Effectiveness of the flu vaccine in preventing MIs in older UK adults is consistent with the limited evidence from clinical trials. Similar trends in effectiveness against influenza and against MIs suggest the risk of influenza mediates the effectiveness against MIs, although divergence in some years implies the mechanism may be complex.
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Affiliation(s)
- Adam J Streeter
- Institute for Epidemiology and Social Medicine, University of Münster, Münster, North Rhine-Westphalia, Germany; Medical Statistics, Faculty of Health, University of Plymouth, Plymouth Science Park, Derriford, Plymouth, UK; Health Statistics Group, University of Exeter Medical School, University of Exeter, South Cloisters, St. Luke's Campus, Exeter, UK.
| | - Lauren R Rodgers
- Health Statistics Group, University of Exeter Medical School, University of Exeter, South Cloisters, St. Luke's Campus, Exeter, UK
| | - Fergus Hamilton
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol BS8 2PS, UK
| | - Jane A H Masoli
- College of Medicine and Health, University of Exeter Medical School, St. Luke's Campus, Exeter, UK; Healthcare for Older People, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
| | - Alessandro Blé
- College of Medicine and Health, University of Exeter Medical School, St. Luke's Campus, Exeter, UK
| | - William T Hamilton
- College of Medicine and Health, University of Exeter Medical School, St. Luke's Campus, Exeter, UK
| | - William E Henley
- Health Statistics Group, University of Exeter Medical School, University of Exeter, South Cloisters, St. Luke's Campus, Exeter, UK
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Streeter AJ, Rodgers LR, Masoli J, Lin NX, Blé A, Hamilton W, Henley WE. Real-world effectiveness of pneumococcal vaccination in older adults: Cohort study using the UK Clinical Practice Research Datalink. PLoS One 2022; 17:e0275642. [PMID: 36227889 PMCID: PMC9560513 DOI: 10.1371/journal.pone.0275642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/21/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND The 23-valent pneumococcal polysaccharide vaccine (PPV23) is recommended for UK older adults, but how age moderates effectiveness is unclear. METHODS Three annual cohorts of primary-care patients aged≥65y from the Clinical Practice Research Datalink selected from 2003-5 created a natural experiment (n = 324,804), reflecting the staged introduction of the vaccine. The outcome was symptoms consistent with community-acquired pneumococcal pneumonia (CAP) requiring antibiotics or hospitalisation. We used the prior event rate ratio (PERR) approach to address bias from unmeasured confounders. RESULTS Vaccinated patients had higher rates of CAP in the year before vaccination than their controls, indicating the potential for confounding bias. After adjustment for confounding using the prior event rate ratio (PERR) method, PPV23 was estimated to be effective against CAP for two years after vaccination in all age sub-groups with hazard ratios (95% confidence intervals) of 0.86 (0.80 to 0.93), 0.74 (0.65 to 0.85) and 0.65 (0.57 to 0.74) in patients aged 65-74, 75-79 and 80+ respectively in the 2005 cohort. Age moderated the effect of vaccination with predicted risk reductions of 8% at 65y and 29% at 80y. CONCLUSIONS PPV23 is moderately effective at reducing CAP among UK patients aged≥65y, in the two years after vaccination. Vaccine effectiveness is maintained, and may increase, in the oldest age groups in step with increasing susceptibility to CAP.
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Affiliation(s)
- Adam J. Streeter
- Institute for Epidemiology and Social Medicine, University of Münster, Münster, North Rhine-Westphalia, Germany
- Medical Statistics, Faculty of Health, University of Plymouth, Plymouth, United Kingdom
- Institute for Health Research, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - Lauren R. Rodgers
- Institute for Health Research, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - Jane Masoli
- Institute for Health Research, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - Nan X. Lin
- Department of Mathematics, Physics and Electrical Engineering, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Alessandro Blé
- Institute for Health Research, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - Willie Hamilton
- Institute for Health Research, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
| | - William E. Henley
- Institute for Health Research, University of Exeter Medical School, University of Exeter, Exeter, United Kingdom
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Effectiveness of influenza vaccination in reducing influenza-like illness and related antibiotic prescriptions in adults from a primary care-based case-control study. J Infect 2022; 85:660-665. [DOI: 10.1016/j.jinf.2022.10.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 10/06/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022]
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Klimko CP, Shoe JL, Rill NO, Hunter M, Dankmeyer JL, Talyansky Y, Schmidt LK, Orne CE, Fetterer DP, Biryukov SS, Burtnick MN, Brett PJ, DeShazer D, Cote CK. Layered and integrated medical countermeasures against Burkholderia pseudomallei infections in C57BL/6 mice. Front Microbiol 2022; 13:965572. [PMID: 36060756 PMCID: PMC9432870 DOI: 10.3389/fmicb.2022.965572] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Burkholderia pseudomallei, the gram-negative bacterium that causes melioidosis, is notoriously difficult to treat with antibiotics. A significant effort has focused on identifying protective vaccine strategies to prevent melioidosis. However, when used as individual medical countermeasures both antibiotic treatments (therapeutics or post-exposure prophylaxes) and experimental vaccine strategies remain partially protective. Here we demonstrate that when used in combination, current vaccine strategies (recombinant protein subunits AhpC and/or Hcp1 plus capsular polysaccharide conjugated to CRM197 or the live attenuated vaccine strain B. pseudomallei 668 ΔilvI) and co-trimoxazole regimens can result in near uniform protection in a mouse model of melioidosis due to apparent synergy associated with distinct medical countermeasures. Our results demonstrated significant improvement when examining several suboptimal antibiotic regimens (e.g., 7-day antibiotic course started early after infection or 21-day antibiotic course with delayed initiation). Importantly, this combinatorial strategy worked similarly when either protein subunit or live attenuated vaccines were evaluated. Layered and integrated medical countermeasures will provide novel treatment options for melioidosis as well as diseases caused by other pathogens that are refractory to individual strategies, particularly in the case of engineered, emerging, or re-emerging bacterial biothreat agents.
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Affiliation(s)
- Christopher P. Klimko
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Jennifer L. Shoe
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Nathaniel O. Rill
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Melissa Hunter
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Jennifer L. Dankmeyer
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Yuli Talyansky
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Lindsey K. Schmidt
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV, United States
| | - Caitlyn E. Orne
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV, United States
| | - David P. Fetterer
- Biostatistics Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Sergei S. Biryukov
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Mary N. Burtnick
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV, United States
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Paul J. Brett
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV, United States
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - David DeShazer
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Christopher K. Cote
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
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Hall EW, Tippett A, Fridkin S, Anderson EJ, Lopman B, Benkeser D, Baker JM. Association Between Rotavirus Vaccination and Antibiotic Prescribing Among Commercially Insured US Children, 2007-2018. Open Forum Infect Dis 2022; 9:ofac276. [PMID: 35855006 PMCID: PMC9291383 DOI: 10.1093/ofid/ofac276] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 06/02/2022] [Indexed: 11/13/2022] Open
Abstract
Background Vaccines may play a role in controlling the spread of antibiotic resistance. However, it is unknown if rotavirus vaccination affects antibiotic use in the United States (US). Methods Using data from the IBM MarketScan Commercial Database, we conducted a retrospective cohort of US children born between 2007 and 2018 who were continuously enrolled for the first 8 months of life (N = 2 136 136). We followed children through 5 years of age and compared children who completed a full rotavirus vaccination series by 8 months of age to children who had not received any doses of rotavirus vaccination. We evaluated antibiotic prescriptions associated with an acute gastroenteritis (AGE) diagnosis and defined the switching of antibiotics as the prescription of a second, different antibiotic within 28 days. Using a stratified Kaplan-Meier approach, we estimated the cumulative incidence for each study group, adjusted for receipt of pneumococcal conjugate vaccine, provider type, and urban/rural status. Results Overall, 0.8% (n = 17 318) of participants received an antibiotic prescription following an AGE diagnosis. The 5-year adjusted relative cumulative incidence of antibiotic prescription following an AGE diagnosis was 0.793 (95% confidence interval [CI], .761–.827) among children with complete rotavirus vaccination compared to children without rotavirus vaccination. Additionally, children with complete vaccination were less likely to switch antibiotics (0.808 [95% CI, .743–.887]). Rotavirus vaccination has averted an estimated 67 045 (95% CI, 53 729–80 664) antibiotic prescriptions nationally among children born between 2007 and 2018. Conclusions These results demonstrate that rotavirus vaccines reduce antibiotic prescribing for AGE, which could help reduce the growth of antibiotic resistance.
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Affiliation(s)
- Eric W Hall
- School of Public Health, Oregon Health and Science University, Portland, Oregon, USA
| | - Ashley Tippett
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Scott Fridkin
- Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Evan J Anderson
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ben Lopman
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - David Benkeser
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Julia M Baker
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
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Marchetti F, Prato R, Viale P. Survey among Italian experts on existing vaccines' role in limiting antibiotic resistance. Hum Vaccin Immunother 2021; 17:4283-4290. [PMID: 34591738 PMCID: PMC8828092 DOI: 10.1080/21645515.2021.1969853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/13/2021] [Indexed: 12/20/2022] Open
Abstract
Antimicrobial resistance (AMR) is a major public health problem threatening to reverse the progress made against infectious diseases. The rapid increase of AMR exposes Italian hospitals at increased risk of untreatable infections. Vaccinations can potentially limit AMR by reducing the number of infected cases in need of antibiotics. We conducted a survey among Italian vaccine experts to record their opinion regarding the role of vaccinations against antibiotic resistance (ABR). Among 80 invited experts, 51 answered all questions. Most respondents were experts in hygiene and preventive medicine (56.9%) and aged >50 years (72.6%). ABR was a priority concern in the daily professional activity of 82.4% of respondents. Overall, 47.1% of respondents believed that all vaccinations included in the vaccination calendar played a role against ABR: 92.2% for pertussis vaccination followed by 88.2%, 74.5%, and 70.6% for meningococcus, measles, and varicella vaccinations, respectively. Almost all respondents agreed that the role of vaccinations against ABR should be clearly expressed in the national vaccination guidelines (96.1%) and Scientific Societies should take an explicit position on the issue (92.2%). These results show that Italian experts have recognized the vaccinations' potential role in limiting ABR and guidelines from the appropriate scientific and governmental authorities are needed.
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Affiliation(s)
| | - Rosa Prato
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
- Department of Hygiene, Policlinico Riuniti University Hospital of Foggia, Foggia, Italy
| | - Pierluigi Viale
- IRCCS Policlinico Sant’Orsola, Infectious Disease Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
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Antonelli-Incalzi R, Blasi F, Conversano M, Gabutti G, Giuffrida S, Maggi S, Marano C, Rossi A, Vicentini M. Manifesto on the Value of Adult Immunization: "We Know, We Intend, We Advocate". Vaccines (Basel) 2021; 9:vaccines9111232. [PMID: 34835163 PMCID: PMC8625332 DOI: 10.3390/vaccines9111232] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 12/11/2022] Open
Abstract
Immunization through vaccination is a milestone achievement that has made a tremendous contribution to public health. Historically, immunization programs aimed firstly to protect children, who were disproportionally affected by infectious diseases. However, vaccine-preventable diseases can have significant impacts on adult mortality, health, and quality of life. Despite this, adult vaccinations have historically been overlooked in favor of other health priorities, because their benefits to society were not well recognized. As the general population is aging, the issue of vaccination in older adults is gaining importance. In high-income countries, recommendations for the routine vaccination of older adults have been gradually introduced. The Italian National Immunization Plan is considered to be among the most advanced adult vaccination plans in Europe. However, available data indicate there is low adherence to vaccination recommendations in Italy. The COVID-19 pandemic has exposed the damage that can be caused by an infectious disease, especially among adults and individuals with comorbidities. The aim of this “Manifesto”, therefore, is to provide an overview of the existing evidence on the value of adult vaccination, in the Italian context, with a call to action to healthcare providers and health authorities.
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Affiliation(s)
- Raffaele Antonelli-Incalzi
- Geriatric Unit, Campus Bio-Medico University, 00128 Rome, Italy;
- Italian Society of Gerontology and Geriatrics, 50129 Florence, Italy
| | - Francesco Blasi
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
- Respiratory Unit and Adult Cystic Fibrosis Center, Department of Internal Medicine, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Michele Conversano
- Department for Public Health, Local Health Unit Taranto, 74121 Taranto, Italy;
| | - Giovanni Gabutti
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Sandro Giuffrida
- Department of Prevention, Local Health Unit Reggio Calabria, 89124 Reggio Calabria, Italy;
| | - Stefania Maggi
- Aging Branch, Institute of Neuroscience, National Research Council, 35128 Padova, Italy;
| | | | - Alessandro Rossi
- Italian Society of General Medicine and Primary Care, 50142 Florence, Italy;
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