Toan C. Ong

A Harmonized Data Quality Assessment Terminology and Framework for the Secondary Use of Electronic Health Record Data

Michael G. Kahn, Tiffany J. Callahan, Juliana Barnard et al. · eGEMs (Generating Evidence & Methods to improve patient outcomes) · 2016 · 565 citations · Full text

Effectiveness of Covid-19 Vaccines in Ambulatory and Inpatient Care Settings

Mark G. Thompson, Edward Stenehjem, Shaun J. Grannis et al. · New England Journal of Medicine · 2021 · 490 citations · Full text

Waning 2-Dose and 3-Dose Effectiveness of mRNA Vaccines Against COVID-19–Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance — VISION Network, 10 States, August 2021–January 2022

Jill M. Ferdinands, Suchitra Rao, Brian E. Dixon et al. · MMWR Morbidity and Mortality Weekly Report · 2022 · 466 citations · Full text

Effectiveness of a Third Dose of mRNA Vaccines Against COVID-19–Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance — VISION Network, 10 States, August 2021–January 2022

Mark G. Thompson, Karthik Natarajan, Stephanie A. Irving et al. · MMWR Morbidity and Mortality Weekly Report · 2022 · 427 citations · Full text

Waning of vaccine effectiveness against moderate and severe covid-19 among adults in the US from the VISION network: test negative, case-control study

Jill M. Ferdinands, Suchitra Rao, Brian E. Dixon et al. · BMJ · 2022 · 194 citations · Full text