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Author Details

Toan C Ong
University of Colorado Anschutz Medical Campus
2014
54
17
PMIDPaper TitleJournal TitlePublished Year
37972288Vaccine Effectiveness Against Pediatric Influenza-A-Associated Urgent Care, Emergency Department, and Hospital Encounters During the 2022-2023 Season: VISION Network.Clin Infect Dis2024
37633258Clinical Epidemiology and Risk Factors for Critical Outcomes Among Vaccinated and Unvaccinated Adults Hospitalized With COVID-19-VISION Network, 10 States, June 2021-March 2023.Clin Infect Dis2024
36415904Protection of Two and Three mRNA Vaccine Doses Against Severe Outcomes Among Adults Hospitalized With COVID-19-VISION Network, August 2021 to March 2022.J Infect Dis2023
37965644Effectiveness of the Original Monovalent Coronavirus Disease 2019 Vaccines in Preventing Emergency Department or Urgent Care Encounters and Hospitalizations Among Adults With Disabilities: VISION Network, June 2021-September 2022.Open Forum Infect Dis2023
37590187Effectiveness of Monovalent and Bivalent mRNA Vaccines in Preventing COVID-19-Associated Emergency Department and Urgent Care Encounters Among Children Aged 6 Months-5 Years - VISION Network, United States, July 2022-June 2023.MMWR Morb Mortal Wkly Rep2023
38000964Impact of accounting for correlation between COVID-19 and influenza vaccination in a COVID-19 vaccine effectiveness evaluation using a test-negative design.Vaccine2023
37479609Effectiveness of COVID-19 vaccines at preventing emergency department or urgent care encounters and hospitalizations among immunocompromised adults: An observational study of real-world data across 10 US states from August-December 2021.Vaccine2023
38041853Influenza vaccine effectiveness against influenza-A-associated emergency department, urgent care, and hospitalization encounters among U.S. adults, 2022-2023.J Infect Dis2023
37394267Estimates of Bivalent mRNA Vaccine Durability in Preventing COVID-19-Associated Hospitalization and Critical Illness Among Adults with and Without Immunocompromising Conditions - VISION Network, September 2022-April 2023.Am J Transplant2023
37089774Patient and Epidemiological Factors Associated With Influenza Testing in Hospitalized Adults With Acute Respiratory Illnesses, 2016-2017 to 2019-2020.Open Forum Infect Dis2023
37276886Engaging Patients and Other Stakeholders in "Designing for Dissemination" of Record Linkage Methods and Tools.Appl Clin Inform2023
37333688Number needed to vaccinate with a COVID-19 booster to prevent a COVID-19-associated hospitalization during SARS-CoV-2 Omicron BA.1 variant predominance, December 2021-February 2022, VISION Network: a retrospective cohort study.Lancet Reg Health Am2023
37227984Estimates of Bivalent mRNA Vaccine Durability in Preventing COVID-19-Associated Hospitalization and Critical Illness Among Adults with and Without Immunocompromising Conditions - VISION Network, September 2022-April 2023.MMWR Morb Mortal Wkly Rep2023
37026401Effectiveness of BNT162b2 COVID-19 Vaccination in Children and Adolescents.Pediatrics2023
36921274Early Estimates of Bivalent mRNA Vaccine Effectiveness in Preventing COVID-19-Associated Emergency Department or Urgent Care Encounters and Hospitalizations Among Immunocompetent Adults - VISION Network, Nine States, September-November 2022.MMWR Morb Mortal Wkly Rep2023
36920396Estimation of COVID-19 mRNA Vaccine Effectiveness and COVID-19 Illness and Severity by Vaccination Status During Omicron BA.4 and BA.5 Sublineage Periods.JAMA Netw Open2023
36441040Real-World Evidence of Neutralizing Monoclonal Antibodies for Preventing Hospitalization and Mortality in COVID-19 Outpatients.Chest2023
36611252Relationships Between Social Vulnerability and Coronavirus Disease 2019 Vaccination Coverage and Vaccine Effectiveness.Clin Infect Dis2023
36806690Protection From COVID-19 mRNA Vaccination and Prior SARS-CoV-2 Infection Against COVID-19-Associated Encounters in Adults During Delta and Omicron Predominance.J Infect Dis2023
36683410Vaccine Effectiveness Against Influenza-Associated Urgent Care, Emergency Department, and Hospital Encounters During the 2021-2022 Season, VISION Network.J Infect Dis2023
34967121Effectiveness of two-dose vaccination with mRNA COVID-19 vaccines against COVID-19-associated hospitalizations among immunocompromised adults-Nine States, January-September 2021.Am J Transplant2022
35411339Real World Evidence of the Neutralizing Monoclonal Antibody Sotrovimab for Preventing Hospitalization and Mortality in COVID-19 Outpatients.medRxiv2022
35576581Real-World Evidence of the Neutralizing Monoclonal Antibody Sotrovimab for Preventing Hospitalization and Mortality in COVID-19 Outpatients.J Infect Dis2022
35862287Effectiveness of 2, 3, and 4 COVID-19 mRNA Vaccine Doses Among Immunocompetent Adults During Periods when SARS-CoV-2 Omicron BA.1 and BA.2/BA.2.12.1 Sublineages Predominated - VISION Network, 10 States, December 2021-June 2022.MMWR Morb Mortal Wkly Rep2022
35358170Effectiveness of Homologous and Heterologous COVID-19 Booster Doses Following 1 Ad.26.COV2.S (Janssen [Johnson & Johnson]) Vaccine Dose Against COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults - VISION Network, 10 States, December 2021-March 2022.MMWR Morb Mortal Wkly Rep2022
36580430Early Estimates of Bivalent mRNA Vaccine Effectiveness in Preventing COVID-19-Associated Emergency Department or Urgent Care Encounters and Hospitalizations Among Immunocompetent Adults - VISION Network, Nine States, September-November 2022.MMWR Morb Mortal Wkly Rep2022
36204160Relative Risks of COVID-19-Associated Hospitalizations and Clinical Outcomes by Age and Race/Ethnicity-March 2020-March 2021.Open Forum Infect Dis2022
36264840Effectiveness of COVID-19 mRNA Vaccines Against COVID-19-Associated Hospitalizations Among Immunocompromised Adults During SARS-CoV-2 Omicron Predominance - VISION Network, 10 States, December 2021-August 2022.MMWR Morb Mortal Wkly Rep2022
36191948Waning of vaccine effectiveness against moderate and severe covid-19 among adults in the US from the VISION network: test negative, case-control study.BMJ2022
36156146Estimation of COVID-19 mRNA Vaccine Effectiveness Against Medically Attended COVID-19 in Pregnancy During Periods of Delta and Omicron Variant Predominance in the United States.JAMA Netw Open2022
36344927Association between treatment failure and hospitalization after receipt of neutralizing monoclonal antibody treatment for COVID-19 outpatients.BMC Infect Dis2022
35043117Real World Evidence of Neutralizing Monoclonal Antibodies for Preventing Hospitalization and Mortality in COVID-19 Outpatients.medRxiv2022
35239634Effectiveness of COVID-19 Pfizer-BioNTech BNT162b2 mRNA Vaccination in Preventing COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Nonimmunocompromised Children and Adolescents Aged 5-17 Years - VISION Network, 10 States, April 2021-January 2022.MMWR Morb Mortal Wkly Rep2022
35176007Waning 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.MMWR Morb Mortal Wkly Rep2022
35085224Effectiveness 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.MMWR Morb Mortal Wkly Rep2022
32196874Comparison of the incidence of diabetes in United States and Indian youth: An international harmonization of youth diabetes registries.Pediatr Diabetes2021
35860322A process to deduplicate individuals for regional chronic disease prevalence estimates using a distributed data network of electronic health records.Learn Health Syst2021
34529642Interim Estimates of COVID-19 Vaccine Effectiveness Against COVID-19-Associated Emergency Department or Urgent Care Clinic Encounters and Hospitalizations Among Adults During SARS-CoV-2 B.1.617.2 (Delta) Variant Predominance - Nine States, June-August 2021.MMWR Morb Mortal Wkly Rep2021
34735426Effectiveness of 2-Dose Vaccination with mRNA COVID-19 Vaccines Against COVID-19-Associated Hospitalizations Among Immunocompromised Adults - Nine States, January-September 2021.MMWR Morb Mortal Wkly Rep2021
34735425Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19-Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity - Nine States, January-September 2021.MMWR Morb Mortal Wkly Rep2021
34496194Effectiveness of Covid-19 Vaccines in Ambulatory and Inpatient Care Settings.N Engl J Med2021
31953884Clinical profile at diagnosis with youth-onset type 1 and type 2 diabetes in two pediatric diabetes registries: SEARCH (United States) and YDR (India).Pediatr Diabetes2021
31943641Diabetic ketoacidosis at diagnosis among youth with type 1 and type 2 diabetes: Results from SEARCH (United States) and YDR (India) registries.Pediatr Diabetes2021
33203514Associations Between Socioeconomic Context and Congenital Heart Disease Related Outcomes in Adolescents and Adults.Am J Cardiol2021
32134536Treatment regimens and glycosylated hemoglobin levels in youth with Type 1 and Type 2 diabetes: Data from SEARCH (United States) and YDR (India) registries.Pediatr Diabetes2021
32526532Population-level surveillance of congenital heart defects among adolescents and adults in Colorado: Implications of record linkage.Am Heart J2020
32049329A hybrid approach to record linkage using a combination of deterministic and probabilistic methodology.J Am Med Inform Assoc2020
31955128Estimating the prevalence of congenital heart disease among adolescents and adults in Colorado adjusted for incomplete case ascertainment.Am Heart J2020
33223585Efficient determination of equivalence for encrypted data.Comput Secur2020
29867290Perfectly Secure and Efficient Two-Party Electronic-Health-Record Linkage.IEEE Internet Comput2018
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Collaborators

Baylor Scott & White Health and Baylor College of Medicine
Co-authored papers 30
Center for Biomedical Informatics, Regenstrief Institute
Co-authored papers 27
Columbia University Irving Medical Center
Co-authored papers 25
Vanderbilt University Medical Center
Co-authored papers 22
Baylor Scott & White Research Institute
Co-authored papers 19
Centers for Disease Control and Prevention
Co-authored papers 18
U.S. Centers for Disease Control and Prevention
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NewYork-Presbyterian Hospital
Co-authored papers 7
University of Colorado Anschutz Medical Campus
Co-authored papers 5
University of Colorado School of Medicine
Co-authored papers 5
University of Colorado School of Medicine
Co-authored papers 5
Co-authored papers 4
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Co-authored papers 4
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Co-authored papers 4
Adult and Child Center for Outcomes Research and Delivery Science
Co-authored papers 4
Schaeffer Center for Health Economics and Policy, University of Southern California
Co-authored papers 3
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Centers for Disease Control and Prevention
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Centers for Disease Control and Prevention
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University of Southern California
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Carnegie Mellon University, The University of Texas Health Science Center at Houston, University of California San Diego
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American College of Medical Informatics, Department of Veteran Affairs, Harvard University T H Chan School of Public Health, Massachusetts Institute of Technology, The American Society for Clinical Investigation, University of Kentucky, Vanderbilt University Medical Center, Vanderbilt University Medical School
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Rutgers University
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