arrow
Back
L

Lina S. Sy

Kaiser Permanente Southern California

38H-index
186Paper Count
5.9KCitation Count
Published Papers 84
Publication Date
Brief report: Effectiveness and safety of recombinant zoster vaccine in inflammatory bowel disease patients aged 18 years and older: A matched cohort and self-controlled case series study
err2026-09-28
err0
errOAAI
errMaheen Humayun; Lina S. Sy; Emily Rayens; Lei Qian; Jun Wu; Bradley K. Ackerson; Yi Luo; Yanjun Cheng; Avanish R. Patel; Zendi Solano; Britta Amundsen; Justine De Jesus; Jennifer H. Ku; Elizabeth Chmielewski-Yee; Driss Oraichi; Harry Seifert; Huifeng Yun; Hung Fu Tseng
errShare
errSave
Real-world effectiveness of adjuvanted RSVPreF3 vaccine in preventing RSV-associated lower respiratory tract disease hospitalization in adults ≥60 years of age: early results from a test-negative design analysis
err2026-05-05
err0
errOAAI
errJennifer H Ku; Lei Qian; Lina S Sy; Bradley K Ackerson; Emily Rayens; Yi Luo; Sijia Qiu; Lanfang Xu; Gina S Lee; Punam P Modha; Cheyne F Hoke; Cynthia Joe; Britta I Amundsen; Jean-Yves Pirçon; Lauriane Harrington; Nicolas Lecrenier; David Singer; Elizabeth M La; Andrew G Allmon; Dominique Luyts; Hung-Fu Tseng
errShare
errSave
Comparison of Hospitalization Costs Associated with Human Metapneumovirus and Respiratory Syncytial Virus Infection in US Adults
err2026-04-02
err0
errOAAI
errBradley K Ackerson; Emily Rayens; Lina S Sy; Hung Fu Tseng; Lei Qian; Yi Luo; Rachelle Juan; Xuan Huang; Jennifer H Ku; Punam P Modha; Radha M Bathala; Sudhir Venkatesan; Lisa Glasser; Richard McNulty; Daniel Molnar; Chengbin Wang; Jaejin An
errShare
errSave
Recombinant zoster vaccine is associated with a reduced risk of dementia
err2026-02-09
err0
errOAAI
errEmily Rayens; Lina S. Sy; Lei Qian; Bradley K. Ackerson; Julia Tubert; Yi Luo; Punam P. Modha; Raul O. Calderon; Elizabeth Chmielewski-Yee; Driss Oraichi; Huifeng Yun; Carol Koro; Hung Fu Tseng
errShare
errSave
Effectiveness and safety of the recombinant zoster vaccine in adults aged ≥50 years with inflammatory bowel disease
err2025-12-31
err0
PREAI
errTseng, Hung Fu; Sy, Lina S.; Rayens, Emily; Ackerson, Bradley K.; Ku, Jennifer H.; Wu, Jun; Luo, Yi; Cheng, Yanjun; Patel, Avanish R.; Solano, Zendi; De Jesus, Justine; Amundsen, Britta; Florea, Ana; Chmielewski-Yee, Elizabeth; Oraichi, Driss; Seifert, Harry; Yun, Huifeng; Qian, Lei
errShare
errSave
Comparison of Healthcare Resource Utilization and Disease Outcomes in Adults Hospitalized with Human Metapneumovirus and Respiratory Syncytial Virus
err2025-12-01
err0
errOAAI
errRayens, Emily; Sy, Lina S.; Qian, Lei; Ackerson, Bradley K.; An, Jaejin; Luo, Yi; Huang, Xuan; Ku, Jennifer H.; Modha, Punam P.; Bathala, Radha M.; Venkatesan, Sudhir; Glasser, Lisa; Molnar, Daniel; McNulty, Richard; Wang, Chengbin; Tseng, Hung Fu
errShare
errSave
Comparative risk of post-acute sequelae following SARS-CoV-2 or influenza virus infection: A retrospective cohort study among United States adults
err2025-10-01
err0
PREAI
errLewnard, Joseph A.; Malden, Debbie E.; Hong, Vennis; Skela, Jessica; Feldstein, Leora R.; Saydah, Sharon; Reyes, Iris Anne C.; Hechter, Rulin; Sy, Lina S.; Ackerson, Bradley K.; Tartof, Sara Y.
errShare
errSave
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
err2025-09-01
err0
PREAI
errRayens, Emily; Sy, Lina S.; Qian, Lei; Wu, Jun; Ackerson, Bradley K.; Luo, Yi; Zheng, Chengyi; Cheng, Yanjun; Vega Daily, Leticia, I; Song, Jeannie; Takhar, Harpreet S.; Ku, Jennifer H.; Cohen, Rachel A.; Yun, Huifeng; Oraichi, Driss; Seifert, Harry; Tseng, Hung-Fu
errShare
errSave
Effectiveness of nirsevimab among infants in their first RSV season in the United States, October 2023–March 2024: a test-negative design analysis
err2025-08-06
err0
PREAI
errAmanda B. Payne; Steph Battan-Wraith; Elizabeth A.K. Rowley; Melissa S. Stockwell; Sara Y. Tartof; Kristin Dascomb; Stephanie A. Irving; Brian Dixon; Sarah W. Ball; Mark W. Tenforde; Gabriela Vazquez-Benitez; Ashley B. Stephens; Jungmi Han; Karthik Natarajan; S. Bianca Salas; Cassandra Bezi; Lina S. Sy; Bruno Lewin; Tamara Sheffield; Julie Arndorfer; Daniel Bride; Josh Van Otterloo; Allison L. Naleway; Padma D. Koppolu; Shaun Grannis; William Fadel; Colin Rogerson; Tom Duszynski; Sarah E. Reese; Patrick K. Mitchell; Sean Chickery; Heidi L. Moline; Morgan Najdowski; Allison Avrich Ciesla; Emily L. Reeves; Malini DeSilva; Katherine E. Fleming-Dutra; Ruth Link-Gelles
errShare
errSave
Differences in COVID-19 XBB.1.5 vaccination coverage: A decomposition analysis across racial and ethnic groups in a large U.S. healthcare system
errVaccine
IF3.5
err2025-08-05
err0
PREAI
errStanley Xu; Lina S. Sy; Richard Contreras; Daniel A. Powers; Lei Qian; Vennis Hong; Bruno Lewin; Kimberly J. Holmquist; Bing Han; Katia J. Bruxvoort
errShare
errSave
Effectiveness of the Adjuvanted Recombinant Zoster Vaccine in Adults ≥50 Years in the United States
err2025-08-01
err3
errOAAI
errTseng, Hung-Fu; Sy, Lina S.; Ackerson, Bradley K.; Rayens, Emily; Wu, Jun; Luo, Yi; Cheng, Yanjun; Ku, Jennifer H.; Daily, Leticia I. Vega; Takhar, Harpreet S.; Song, Jeannie; Cohen, Rachel A.; Yun, Huifeng; Oraichi, Driss; Seifert, Harry; Qian, Lei
errShare
errSave
Tinnitus risk after COVID-19 XBB.1.5 vaccination: A self-controlled case series study
errVaccine
IF3.5
err2025-07-26
err0
errOAAI
errStanley Xu; Lina S. Sy; Vennis Hong; Lei Qian; Kimberly J. Holmquist; Katia J. Bruxvoort; Bing Han; Bruno Lewin
errShare
errSave
Patterns in Prescribing and Dispensing Influenza Antivirals Among Adults With Influenza Presenting to Urgent Care and Emergency Department Settings: VISION Network, 2023-2024
err2025-04-01
err0
PREAI
errAdams, Katherine; Garg, Shikha; Tartof, Sara Y.; Irving, Stephanie A.; DeSilva, Malini B.; Klein, Nicola P.; Natarajan, Karthik; Dascomb, Kristin; Grannis, Shaun J.; Ong, Toan C.; Salas, S. Bianca; Sy, Lina S.; Lewin, Bruno; Qian, Lei; Naleway, Allison L.; Koppolu, Padma D.; Mcevoy, Charlene E.; Akinsete, Omobosola; Essien, Inih; Fireman, Bruce; Zerbo, Ousseny; Jacobson, Karen B.; Timbol, Julius; Neelam, Varsha; Reeves, Emily L.; Dickerson, Monica; Ray, Caitlin; Link-Gelles, Ruth; Mak, Josephine; Ball, Sarah W.; O'Reilly, Michael; Olsen, Sonja J.; Tenforde, Mark W.
errShare
errSave
Development and validation of a clinical prediction tool for non-receipt of updated COVID-19 vaccines
errVACCINE
IF3.5
err2025-04-01
err0
errOAAI
errBruxvoort, Katia J.; Sy, Lina S.; Contreras, Richard; Lewin, Bruno; Hong, Vennis; Qian, Lei; Holmquist, Kimberly J.; Han, Bing; Xu, Stanley
errShare
errSave
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
err2024-12-18
err0
errOAAI
errRayens, Emily; Ku, Jennifer H.; Sy, Lina S.; Qian, Lei; Ackerson, Bradley K.; Luo, Yi; Tubert, Julia E.; Lee, Gina S.; Modha, Punam P.; Park, Yoonyoung; Sun, Tianyu; Anderson, Evan J.; Tseng, Hung Fu
errShare
errSave
Influenza Vaccine Effectiveness Against Hospitalizations and Emergency Department or Urgent Care Encounters for Children, Adolescents, and Adults During the 2023-2024 Season, United States
err2024-12-04
err1
PREAI
errTenforde, Mark W.; Reeves, Emily L.; Weber, Zachary A.; Tartof, Sara Y.; Klein, Nicola P.; Dascomb, Kristin; Desilva, Malini B.; Yang, Duck-Hye; Grannis, Shaun J.; Irving, Stephanie A.; Ong, Toan C.; Link-Gelles, Ruth; Salas, S. Bianca; Sy, Lina S.; Lewin, Bruno; Contreras, Richard; Zerbo, Ousseny; Fireman, Bruce; Hansen, John; Timbol, Julius; Sheffield, Tamara; Bride, Daniel; Arndorfer, Julie; Vanotterloo, Josh; Mcevoy, Charlene E.; Akinsete, Omobosola O.; Essien, Inih J.; Dixon, Brian E.; Rogerson, Colin; Fadel, William F.; Duszynski, Thomas; Naleway, Allison L.; Barron, Michelle A.; Rao, Suchitra; Mayer, David; Chavez, Catia; Ball, Sarah W.; Payne, Amanda B.; Ray, Caitlin; Dickerson, Monica; Neelam, Varsha; Adams, Katherine; Flannery, Brendan; Decuir, Jennifer; Garg, Shikha
errShare
errSave
Natural Language Processing Versus Diagnosis Code-Based Methods for Postherpetic Neuralgia Identification: Algorithm Development and Validation
err2024-09-10
err0
errOAAI
errZheng, Chengyi; Ackerson, Bradley; Qiu, Sijia; Sy, Lina S.; Daily, Leticia I. Vega; Song, Jeannie; Qian, Lei; Luo, Yi; Ku, Jennifer H.; Cheng, Yanjun; Wu, Jun; Tseng, Hung Fu
errShare
errSave
Post-marketing safety study to evaluate pregnancy outcomes among recipients of hepatitis B vaccines
err2024-09-02
err0
errOAAI
errBruxvoort, Katia J.; Sy, Lina S.; Slezak, Jeff; Ackerson, Bradley K.; Qian, Lei; Qiu, Sijia; Solano, Zendi; Reynolds, Kristi
errShare
errSave
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
err2024-08-21
err1
errOAAI
errKu, Jennifer H.; Rayens, Emily; Sy, Lina S.; Qian, Lei; Ackerson, Bradley K.; Luo, Yi; Tubert, Julia E.; Lee, Gina S.; Modha, Punam P.; Park, Yoonyoung; Sun, Tianyu; Anderson, Evan J.; Tseng, Hung Fu
errShare
errSave