Publications by authors named "Lina Sy"

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Adjuvanted Recombinant Zoster Vaccine is Effective Against Herpes Zoster Ophthalmicus, and is Associated With Lower Risk of Acute Myocardial Infarction and Stroke in Adults Aged ≥50 Years.
Emily Rayens, Lina S Sy, Lei Qian, Jun Wu, Bradley K Ackerson

Clin Infect Dis· December 2025

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Effectiveness and safety of the recombinant zoster vaccine in adults aged ≥50 years with inflammatory bowel disease.
Hung Fu Tseng, Lina S Sy, Emily Rayens, Bradley K Ackerson, Jennifer H Ku

Hum Vaccin Immunother· December 2025

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Developing Topics.
Emily Rayens, Lina Sy, Lei Qian, Bradley Ackerson, Julia Tubert

Alzheimers Dement· December 2025

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Patterns in Prescribing and Dispensing Influenza Antivirals Among Adults With Influenza Presenting to Urgent Care and Emergency Department Settings: VISION Network, 2023-2024.
Katherine Adams, Shikha Garg, Sara Y Tartof, Stephanie A Irving, Malini B DeSilva, Lina S Sy

Clin Infect Dis· November 2025

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Comparison of Healthcare Resource Utilization and Disease Outcomes in Adults Hospitalized with Human Metapneumovirus and Respiratory Syncytial Virus.
Emily Rayens, Lina S Sy, Lei Qian, Bradley K Ackerson, Jaejin An

J Infect Dis· November 2025

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Influenza Vaccine Effectiveness Against Hospitalizations and Emergency Department or Urgent Care Encounters for Children, Adolescents, and Adults During the 2023-2024 Season, United States.
Mark W Tenforde, Emily L Reeves, Zachary A Weber, Sara Y Tartof, Nicola P Klein, Lina S Sy

Clin Infect Dis· October 2025

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Comparative risk of post-acute sequelae following SARS-CoV-2 or influenza virus infection: A retrospective cohort study among United States adults.
Joseph A Lewnard, Debbie E Malden, Vennis Hong, Jessica Skela, Leora R Feldstein, Lina S Sy

PLoS Med· October 2025

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Effectiveness of nirsevimab among infants in their first RSV season in the United States, October 2023-March 2024: a test-negative design analysis.
Amanda B Payne, Steph Battan-Wraith, Elizabeth A K Rowley, Melissa S Stockwell, Sara Y Tartof, Lina S Sy

Lancet Reg Health Am· September 2025

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Effectiveness of 2023-2024 seasonal influenza vaccine against influenza-associated emergency department and urgent care encounters among pregnant and non-pregnant women of reproductive age.
Emily L Reeves, Kristin Dascomb, Stephanie A Irving, Nicola P Klein, Sara Y Tartof, Lina S Sy

Vaccine· August 2025

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Tinnitus risk after COVID-19 XBB.1.5 vaccination: A self-controlled case series study.
Stanley Xu, Lina S Sy, Vennis Hong, Lei Qian, Kimberly J Holmquist

Vaccine· August 2025

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Differences in COVID-19 XBB.1.5 vaccination coverage: A decomposition analysis across racial and ethnic groups in a large U.S. healthcare system.
Stanley Xu, Lina S Sy, Richard Contreras, Daniel A Powers, Lei Qian

Vaccine· August 2025

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Validation of ICD-10 Diagnosis Codes for Identification of Acute Myocardial Infarction From a US Integrated Healthcare System.
Jeff Slezak, Katia J Bruxvoort, Lina S Sy, Bradley K Ackerson, Albert Y-J Shen

Pharmacoepidemiol Drug Saf· July 2025

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Effectiveness and safety of the recombinant zoster vaccine in individuals ≥50 years of age with rheumatoid arthritis: a matched cohort and self-controlled case series study.
Emily Rayens, Lina S Sy, Lei Qian, Jun Wu, Bradley K Ackerson

Ann Rheum Dis· June 2025

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A three-part model for the self-controlled case series design to estimate and characterize adverse event risk in an overlapping risk period after multiple vaccines: application to ischemic stroke following Pfizer-BioNTech bivalent COVID-19 vaccine and influenza vaccine.
Stanley Xu, Lina S Sy, Xuan Huang, Vennis Hong, Bing Han

Am J Epidemiol· June 2025

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Effectiveness of the Adjuvanted Recombinant Zoster Vaccine in Adults ≥50 Years in the United States.
Hung-Fu Tseng, Lina S Sy, Bradley K Ackerson, Emily Rayens, Jun Wu

Clin Infect Dis· June 2025

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Development and validation of a clinical prediction tool for non-receipt of updated COVID-19 vaccines.
Katia J Bruxvoort, Lina S Sy, Richard Contreras, Bruno Lewin, Vennis Hong

Vaccine· April 2025

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A propensity score approach and a partitioned approach for the self-controlled case series design to evaluate safety of a 2-dose vaccine series: application to myocarditis/pericarditis following mRNA COVID-19 vaccination.
Stanley Xu, Lina S Sy, Bing Han, Vennis Hong, Katia J Bruxvoort

Am J Epidemiol· January 2025

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Post-marketing safety study to evaluate pregnancy outcomes among recipients of hepatitis B vaccines.
Katia J Bruxvoort, Lina S Sy, Jeff Slezak, Bradley K Ackerson, Lei Qian

Hum Vaccin Immunother· December 2024

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Comparative Effectiveness of Cell-Based Versus Egg-Based Influenza Vaccines in Prevention of Influenza Hospitalization During the 2022-2023 Season Among Adults 18-64 Years.
Emily Rayens, Jennifer H Ku, Lina S Sy, Lei Qian, Bradley K Ackerson

Influenza Other Respir Viruses· December 2024

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Comparative Effectiveness of Licensed Influenza Vaccines in Preventing Influenza-related Medical Encounters and Hospitalizations in the 2022-2023 Influenza Season Among Adults ≥65 Years of Age.
Jennifer H Ku, Emily Rayens, Lina S Sy, Lei Qian, Bradley K Ackerson

Clin Infect Dis· November 2024

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Natural Language Processing Versus Diagnosis Code-Based Methods for Postherpetic Neuralgia Identification: Algorithm Development and Validation.
Chengyi Zheng, Bradley Ackerson, Sijia Qiu, Lina S Sy, Leticia I Vega Daily

JMIR Med Inform· September 2024

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Safety of the Seasonal Influenza Vaccine in 2 Successive Pregnancies.
Darios Getahun, In-Lu Amy Liu, Lina S Sy, Jason M Glanz, Ousseny Zerbo

JAMA Netw Open· September 2024

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The Authors Reply.
Stanley Xu, Lina S Sy

Am J Epidemiol· August 2024

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COVID-19 Vaccination Coverage and Factors Associated With Vaccine Uptake Among People With HIV.
Rulin C Hechter, Lei Qian, In-Lu Amy Liu, Lina S Sy, Denison S Ryan

JAMA Netw Open· June 2024

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Ischemic Stroke After Bivalent COVID-19 Vaccination: Self-Controlled Case Series Study.
Stanley Xu, Lina S Sy, Vennis Hong, Kimberly J Holmquist, Lei Qian

JMIR Public Health Surveill· June 2024

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