Lei Yan, PhD

Epidemiology Methods; HIV/AIDS; Infectious Diseases; Survival Analysis; COVID-19

• Effectiveness of Nirmatrelvir-Ritonavir Against the Development of Post-COVID-19 Conditions Among U.S. Veterans : A Target Trial Emulation.Ioannou G, Berry K, Rajeevan N, Li Y, Mutalik P, Yan L, Bui D, Cunningham F, Hynes D, Rowneki M, Bohnert A, Boyko E, Iwashyna T, Maciejewski M, Osborne T, Viglianti E, Aslan M, Huang G, Bajema K. Effectiveness of Nirmatrelvir-Ritonavir Against the Development of Post-COVID-19 Conditions Among U.S. Veterans : A Target Trial Emulation. Annals Of Internal Medicine 2023, 176: 1486-1497. PMID: 37903369, PMCID: PMC10620954, DOI: 10.7326/m23-1394.
• Anti–SARS-CoV-2 Pharmacotherapies Among Nonhospitalized US Veterans, January 2022 to January 2023Yan L, Streja E, Li Y, Rajeevan N, Rowneki M, Berry K, Hynes D, Cunningham F, Huang G, Aslan M, Ioannou G, Bajema K. Anti–SARS-CoV-2 Pharmacotherapies Among Nonhospitalized US Veterans, January 2022 to January 2023. JAMA Network Open 2023, 6: e2331249. PMID: 37651140, PMCID: PMC10472184, DOI: 10.1001/jamanetworkopen.2023.31249.
• Effectiveness of COVID-19 Treatment With Nirmatrelvir–Ritonavir or Molnupiravir Among U.S. Veterans: Target Trial Emulation Studies With One-Month and Six-Month OutcomesBajema K, Berry K, Streja E, Rajeevan N, Li Y, Mutalik P, Yan L, Cunningham F, Hynes D, Rowneki M, Bohnert A, Boyko E, Iwashyna T, Maciejewski M, Osborne T, Viglianti E, Aslan M, Huang G, Ioannou G. Effectiveness of COVID-19 Treatment With Nirmatrelvir–Ritonavir or Molnupiravir Among U.S. Veterans: Target Trial Emulation Studies With One-Month and Six-Month Outcomes. Annals Of Internal Medicine 2023, 176: m22-3565. PMID: 37276589, PMCID: PMC10243488, DOI: 10.7326/m22-3565.
• Early Adoption of Anti–SARS-CoV-2 Pharmacotherapies Among US Veterans With Mild to Moderate COVID-19, January and February 2022Bajema K, Wang X, Hynes D, Rowneki M, Hickok A, Cunningham F, Bohnert A, Boyko E, Iwashyna T, Maciejewski M, Viglianti E, Streja E, Yan L, Aslan M, Huang G, Ioannou G. Early Adoption of Anti–SARS-CoV-2 Pharmacotherapies Among US Veterans With Mild to Moderate COVID-19, January and February 2022. JAMA Network Open 2022, 5: e2241434. PMID: 36367727, PMCID: PMC9652752, DOI: 10.1001/jamanetworkopen.2022.41434.
• The order flow cost of index rolling in commodity futures marketsIrwin, Scott H., Sanders, Dwight R., and Yan, Lei. 2023. “ The Order Flow Cost of Index Rolling in Commodity Futures Markets.” Applied Economic Perspectives and Policy 45(2): 1025–1050.
• Nonlinear responses of crude oil prices to the US dollar exchange rates: the role of inventoriesHu, Z., Yan, L. Nonlinear responses of crude oil prices to the US dollar exchange rates: the role of inventories. Empir Econ (2023).
• Sunshine vs. predatory trading effects in commodity futures markets: New evidence from index rebalancingLei Yan, Scott H. Irwin, Dwight R. Sanders, Sunshine vs. predatory trading effects in commodity futures markets: New evidence from index rebalancing, Journal of Commodity Markets, Volume 26, 2022, 100195.
• Mapping algorithms, agricultural futures, and the relationship between commodity investment flows and crude oil futures pricesLei Yan, Scott H. Irwin, Dwight R. Sanders, Mapping algorithms, agricultural futures, and the relationship between commodity investment flows and crude oil futures prices, Energy Economics, Volume 72, 2018, Pages 486-504.
• Portfolio investment: Are commodities useful?Lei Yan, Philip Garcia, Portfolio investment: Are commodities useful?, Journal of Commodity Markets, Volume 8, 2017, Pages 43-55.