• Author: Lei Yan
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Durability of respiratory syncytial virus vaccine effectiveness among US Veterans

Abstract: Importance: A single respiratory syncytial virus (RSV) vaccine dose is recommended for older adults and persons at increased risk for severe RSV. Clinical information on …

Effectiveness of dolutegravir-based regimens compared to raltegravir-, elvitegravir-, bictegravir, and darunavir-based regimens among older adults with HIV in the Veterans Aging Cohort Study (VACS)

Abstract: Background: Real-world data on treatment patterns and clinical outcomes for newer drugs, including integrase strand transfer inhibitors, among older people with human …

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

Abstract: Objective: The epidemiology of COVID-19 has substantially changed since its emergence given the availability of effective vaccines, circulation of different viral …

Identifying Veterans who benefit from nirmatrelvir-ritonavir: A target trial emulation

Abstract: Background: Nirmatrelvir-ritonavir is recommended for persons at risk for severe coronavirus disease 2019 (COVID-19) but remains underutilized. Information on which …

Effectiveness of nirmatrelvir-ritonavir against the development of post-covid-19 conditions among U.S. veterans: a target trial emulation

Abstract: Background: COVID-19 has been linked to the development of many post-COVID-19 conditions (PCCs) after acute infection. Limited information is available on the …