801. Using Point of Care Testing to estimate influenza vaccine effectiveness in the English primary care sentinel surveillance network
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Julian Sherlock, Manasa Tripathy, Tristan W Clark, Javier Díez-Domingo, Uy Hoang, Mark Joy, Harshana Liyanage, Simon de Lusignan, and Filipa Ferreira
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RNA viruses ,Male ,Viral Diseases ,Epidemiology ,Ethnic group ,Medical Conditions ,0302 clinical medicine ,Antibiotics ,Medicine and Health Sciences ,Ethnicities ,Public and Occupational Health ,030212 general & internal medicine ,Sociology ,Child ,Pathology and laboratory medicine ,Virus Testing ,Multidisciplinary ,Conceptualization ,Antimicrobials ,Age Factors ,Drugs ,Medical microbiology ,Middle Aged ,Vaccination and Immunization ,humanities ,3. Good health ,Infectious Diseases ,Treatment Outcome ,England ,Influenza A virus ,Influenza Vaccines ,Point-of-Care Testing ,Child, Preschool ,Viruses ,Medicine ,Female ,Seasons ,Pathogens ,Administration (government) ,Research Article ,Adult ,medicine.medical_specialty ,Infectious Disease Control ,Adolescent ,Influenza vaccine ,Science ,Immunology ,030231 tropical medicine ,MEDLINE ,Library science ,Logo ,Disease Surveillance ,Microbiology ,Young Adult ,03 medical and health sciences ,Diagnostic Medicine ,Microbial Control ,Influenza, Human ,medicine ,Influenza viruses ,Humans ,Primary Care ,Aged ,Pharmacology ,Primary Health Care ,Data curation ,Public health ,Organisms ,Viral pathogens ,Biology and Life Sciences ,Infant ,Influenza ,Microbial pathogens ,Health Care ,Infectious Disease Surveillance ,People and Places ,Population Groupings ,Preventive Medicine ,Sentinel Surveillance ,Orthomyxoviruses - Abstract
About the Authors: Simon de Lusignan Roles Conceptualization, Funding acquisition, Methodology, Project administration, Resources, Supervision, Writing – review & editing * E-mail: simon delusignan@phc ox ac uk Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom ORCID logo https://orcid org/0000-0002-8553-2641 Uy Hoang Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom Harshana Liyanage Roles Data curation, Investigation, Project administration, Writing – review & editing Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom Manasa Tripathy Roles Project administration, Writing – review & editing Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom Julian Sherlock Roles Data curation, Investigation, Software, Validation Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom Mark Joy Roles Methodology, Writing – review & editing Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom Filipa Ferreira Roles Project administration, Supervision, Writing – review & editing Affiliation: Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom ORCID logo https://orcid org/0000-0002-7717-8486 Javier Diez-Domingo Roles Resources, Writing – review & editing Affiliation: Vaccine Research Department, FISABIO-Public Health, Valencia, Spain Tristan Clark Roles Conceptualization, Project administration, Writing – review & editing Affiliation: Academic Unit of Clinical and Experimental Sciences, University of Southampton, Southampton, United Kingdom Introduction Influenza is a major cause of clinical and public health burden [1] The vaccine requires reformulating annually to match with the characteristics of the circulating influenza viruses which undergo frequent genetic and antigenic changes [6] [ ]influenza vaccine effectiveness (IVE) is assessed annually and observed IVE varies year-to-year [5, 7] Study practices provided POCT machines performed more tests than other virology sampling practices when their practice population size and respiratory virus infection rates were taken into account The following set of covariates were collected from the routine data extracted from the electronic health record and used for confounder adjustment of IVE with backward stepwise elimination to find the best model fit [22] * Age * Sex * Ethnicity, reported in five categories, white, Asian, black, other, or mixed, and maximised using an ontology [23] * Socio-economic status, measured using the index of multiple deprivation (IMD) [24]
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