2023
Challenges in Estimating the Effectiveness of COVID-19 Vaccination Using Observational Data
Hulme W, Williamson E, Horne E, Green A, McDonald H, Walker A, Curtis H, Morton C, MacKenna B, Croker R, Mehrkar A, Bacon S, Evans D, Inglesby P, Davy S, Bhaskaran K, Schultze A, Rentsch C, Tomlinson L, Douglas I, Evans S, Smeeth L, Palmer T, Goldacre B, Hernán M, Sterne J. Challenges in Estimating the Effectiveness of COVID-19 Vaccination Using Observational Data. Annals Of Internal Medicine 2023, 176: m21-4269. PMID: 37126810, PMCID: PMC10152408, DOI: 10.7326/m21-4269.Peer-Reviewed Original ResearchConceptsCOVID-19 vaccineRandomized trialsObservational studyCOVID-19 vaccinationDuration of protectionBooster vaccinationFirst doseTrial emulationNew virus variantsVaccinated personsEligible personsVaccine rolloutVaccinationTarget trialsVirus variantsTrialsVaccineTime-varying variablesBaselineRobust evidenceSingle trial approachRapid uptakePersonsConfoundersDose
2021
Trends and clinical characteristics of 57.9 million COVID-19 vaccine recipients: a federated analysis of patients’ primary care records in situ using OpenSAFELY
Curtis HJ, Inglesby P, Morton CE, MacKenna B, Green A, Hulme W, Walker AJ, Morley J, Mehrkar A, Bacon S, Hickman G, Bates C, Croker R, Evans D, Ward T, Cockburn J, Davy S, Bhaskaran K, Schultze A, Rentsch CT, Williamson EJ, Rowan A, Fisher L, McDonald HI, Tomlinson L, Mathur R, Drysdale H, Eggo RM, Wing K, Wong AY, Forbes H, Parry J, Hester F, Harper S, O’Hanlon S, Eavis A, Jarvis R, Avramov D, Griffiths P, Fowles A, Parkes N, Douglas IJ, Evans SJ, Smeeth L, Goldacre B, . Trends and clinical characteristics of 57.9 million COVID-19 vaccine recipients: a federated analysis of patients’ primary care records in situ using OpenSAFELY. British Journal Of General Practice 2021, 72: bjgp.2021.0376. PMID: 34750106, PMCID: PMC8589463, DOI: 10.3399/bjgp.2021.0376.Peer-Reviewed Original ResearchConceptsVaccine recipientsVaccine coverageCOVID-19 vaccine recipientsFirst COVID-19 vaccinationNHS EnglandPre-existing medical conditionsPrimary care recordsLow vaccination coverageCOVID-19 vaccinationSevere mental illnessCare home residentsClinical characteristicsCohort studySecond doseVaccination coverageHome residentsMedical conditionsGeneral practiceMass vaccinationNHS dataCare recordsPatientsJoint CommitteeVaccine rolloutMental illness