James D. Humphreys

Family Medicine

124 Hollywood Ave
Hot Springs National Park, AR 71901

Last Updated: 09/26/2026

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Found 16 publications

Adapted XBB.1.5 vaccine effectiveness against severe COVID-19 outcomes among immunocompromised persons in 2023-24 in six European countries: a VEBIS-EHR network study.

Adapted XBB.1.5 vaccine effectiveness against severe COVID-19 outcomes among immunocompromised persons in 2023-24 in six European countries: a VEBIS-EHR network study.

Journal: Expert review of vaccines

Published: July 27, 2026

COVID-19 vaccine effectiveness against severe acute respiratory infections (SARI) hospitalisations associated with laboratory-confirmed SARS-CoV-2 in Ghana, June 2022 to March 2024.

COVID-19 vaccine effectiveness against severe acute respiratory infections (SARI) hospitalisations associated with laboratory-confirmed SARS-CoV-2 in Ghana, June 2022 to March 2024.

Journal: Vaccine

Published: September 09, 2025

Unmeasured confounding and misclassification in studies estimating vaccine effectiveness against hospitalisation and death using electronic health records (EHRs): an evaluation of a multi-country European retrospective cohort study.

Unmeasured confounding and misclassification in studies estimating vaccine effectiveness against hospitalisation and death using electronic health records (EHRs): an evaluation of a multi-country European retrospective cohort study.

Journal: BMC medical research methodology

Published: August 06, 2025

Effectiveness of JN.1 monovalent COVID-19 vaccination in EU/EEA countries between October 2024 and January 2025: a VEBIS electronic health record network study.

Effectiveness of JN.1 monovalent COVID-19 vaccination in EU/EEA countries between October 2024 and January 2025: a VEBIS electronic health record network study.

Journal: Vaccine

Published: July 16, 2025

Comparing outcomes of COVID-19 and influenza among hospitalized adults in the European severe acute respiratory infection vaccine effectiveness (EuroSAVE) network, 2021-2024: a retrospective cohort analysis.

Comparing outcomes of COVID-19 and influenza among hospitalized adults in the European severe acute respiratory infection vaccine effectiveness (EuroSAVE) network, 2021-2024: a retrospective cohort analysis.

Journal: The Lancet regional health. Europe

Published: May 15, 2025

Effectiveness of the 2023 Autumn XBB.1.5 COVID-19 Booster During Summer 2024 in the EU/EEA: A VEBIS Electronic Health Record Network Study.

Effectiveness of the 2023 Autumn XBB.1.5 COVID-19 Booster During Summer 2024 in the EU/EEA: A VEBIS Electronic Health Record Network Study.

Journal: Influenza and other respiratory viruses

Published: May 12, 2025

COVID-19 Vaccine Effectiveness Against Hospitalizations and Severe Outcomes in Kosovo, 2022-2024: A Test-Negative Case-Control Study.

COVID-19 Vaccine Effectiveness Against Hospitalizations and Severe Outcomes in Kosovo, 2022-2024: A Test-Negative Case-Control Study.

Journal: Influenza and other respiratory viruses

Published: April 04, 2025

Comparison of two methods for the estimation of COVID-19 vaccine effectiveness of the autumnal booster within the VEBIS-EHR network in 2022/23.

Comparison of two methods for the estimation of COVID-19 vaccine effectiveness of the autumnal booster within the VEBIS-EHR network in 2022/23.

Journal: Epidemiology and infection

Published: March 16, 2025

COVID-19 vaccine effectiveness in the paediatric population aged 5-17 years: a multicentre cohort study using electronic health registries in six European countries, 2021 to 2022.

COVID-19 vaccine effectiveness in the paediatric population aged 5-17 years: a multicentre cohort study using electronic health registries in six European countries, 2021 to 2022.

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

Published: February 28, 2025

COVID-19 Hospitalizations, Vaccine Uptake, Vaccination Guidelines, and Vaccine Availability in Six Middle-Income Countries and Areas in Europe, May 2022-April 2024.

COVID-19 Hospitalizations, Vaccine Uptake, Vaccination Guidelines, and Vaccine Availability in Six Middle-Income Countries and Areas in Europe, May 2022-April 2024.

Journal: Influenza and other respiratory viruses

Published: January 14, 2025

COVID-19 vaccination status and associated factors among patients presenting with COVID-19-like symptoms in Uganda.

COVID-19 vaccination status and associated factors among patients presenting with COVID-19-like symptoms in Uganda.

Journal: Vaccine

Published: November 22, 2024

Effectiveness of COVID-19 vaccine against SARS-CoV-2 infection among symptomatic COVID-19 patients in Uganda.

Effectiveness of COVID-19 vaccine against SARS-CoV-2 infection among symptomatic COVID-19 patients in Uganda.

Journal: Vaccine

Published: November 20, 2024

Showing 1-12 of 16

Last Updated: 09/26/2026