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Nature Communications
|
December 24, 2025
Effectiveness of the 2024-2025 KP.2 COVID-19 vaccines in the United States during long-term follow-up
George N Ioannou, Kristin Berry, Lei Yan, et al.
JAMA Network Open
|
August 31, 2023
Anti-SARS-CoV-2 Pharmacotherapies Among Nonhospitalized US Veterans, January 2022 to January 2023
Lei Yan, Elani Streja, Yuli Li, et al.
Hepatology (Baltimore, Md.)
|
November 21, 2020
Cirrhosis and Severe Acute Respiratory Syndrome Coronavirus 2 Infection in US Veterans: Risk of Infection, Hospitalization, Ventilation, and Mortality
George N Ioannou, Peter S Liang, Emily Locke, et al.
Plos One
|
October 4, 2024
Development of a prediction model for 30-day COVID-19 hospitalization and death in a national cohort of Veterans Health Administration patients-March 2022-April 2023
David P Bui, Kristina L Bajema, Yuan Huang, et al.
JAMA Network Open
|
April 6, 2021
Development of COVIDVax Model to Estimate the Risk of SARS-CoV-2-Related Death Among 7.6 Million US Veterans for Use in Vaccination Prioritization
George N Ioannou, Pamela Green, Vincent S Fan, et al.
Annals of Surgery
|
November 13, 2019
Incidence and Risk Factors of Postoperative Mortality and Morbidity After Elective Versus Emergent Abdominal Surgery in a National Sample of 8193 Patients With Cirrhosis
Kay M Johnson, Kira L Newman, Pamela K Green, et al.
Surgery
|
January 21, 2022
Risk factors for adverse outcomes in emergency versus nonemergency open umbilical hernia repair and opportunities for elective repair in a national cohort of patients with cirrhosis
Kay M Johnson, Kira L Newman, Kristin Berry, et al.
JAMA Internal Medicine
|
November 24, 2025
Durability of Respiratory Syncytial Virus Vaccine Effectiveness Among US Veterans
Kristina L Bajema, David P Bui, Lei Yan, et al.
Annals of Internal Medicine
|
October 10, 2022
Effectiveness of mRNA COVID-19 Vaccine Boosters Against Infection, Hospitalization, and Death: A Target Trial Emulation in the Omicron (B.1.1.529) Variant Era
George N Ioannou, Amy S B Bohnert, Ann M O'Hare, et al.
Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|
June 12, 2024
Identifying Veterans Who Benefit From Nirmatrelvir-Ritonavir: A Target Trial Emulation
Lei Yan, David Bui, Yuli Li, et al.
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Search research articles
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Showing results (51-60 of 77) with videos related to
Sort By:
Page
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Nature Communications
|
December 24, 2025
Effectiveness of the 2024-2025 KP.2 COVID-19 vaccines in the United States during long-term follow-up
George N Ioannou, Kristin Berry, Lei Yan, et al.
JAMA Network Open
|
August 31, 2023
Anti-SARS-CoV-2 Pharmacotherapies Among Nonhospitalized US Veterans, January 2022 to January 2023
Lei Yan, Elani Streja, Yuli Li, et al.
Hepatology (Baltimore, Md.)
|
November 21, 2020
Cirrhosis and Severe Acute Respiratory Syndrome Coronavirus 2 Infection in US Veterans: Risk of Infection, Hospitalization, Ventilation, and Mortality
George N Ioannou, Peter S Liang, Emily Locke, et al.
Plos One
|
October 4, 2024
Development of a prediction model for 30-day COVID-19 hospitalization and death in a national cohort of Veterans Health Administration patients-March 2022-April 2023
David P Bui, Kristina L Bajema, Yuan Huang, et al.
JAMA Network Open
|
April 6, 2021
Development of COVIDVax Model to Estimate the Risk of SARS-CoV-2-Related Death Among 7.6 Million US Veterans for Use in Vaccination Prioritization
George N Ioannou, Pamela Green, Vincent S Fan, et al.
Annals of Surgery
|
November 13, 2019
Incidence and Risk Factors of Postoperative Mortality and Morbidity After Elective Versus Emergent Abdominal Surgery in a National Sample of 8193 Patients With Cirrhosis
Kay M Johnson, Kira L Newman, Pamela K Green, et al.
Surgery
|
January 21, 2022
Risk factors for adverse outcomes in emergency versus nonemergency open umbilical hernia repair and opportunities for elective repair in a national cohort of patients with cirrhosis
Kay M Johnson, Kira L Newman, Kristin Berry, et al.
JAMA Internal Medicine
|
November 24, 2025
Durability of Respiratory Syncytial Virus Vaccine Effectiveness Among US Veterans
Kristina L Bajema, David P Bui, Lei Yan, et al.
Annals of Internal Medicine
|
October 10, 2022
Effectiveness of mRNA COVID-19 Vaccine Boosters Against Infection, Hospitalization, and Death: A Target Trial Emulation in the Omicron (B.1.1.529) Variant Era
George N Ioannou, Amy S B Bohnert, Ann M O'Hare, et al.
Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|
June 12, 2024
Identifying Veterans Who Benefit From Nirmatrelvir-Ritonavir: A Target Trial Emulation
Lei Yan, David Bui, Yuli Li, et al.
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of 8