Publications + Preprints from the study
Alexander Viloria Winnett, Natasha Shelby, Rustem F. Ismagilov. 2025. "Letter to the Editor: COVID-19 study quantifying daily viral loads confirms throat samples are key to early diagnosis." Diagnostic Microbiology & Infectious Disease. 111(2025) 116742. Manuscript.
Michael K. Porter, Alexander Viloria Winnett, Linhui Hao, Natasha Shelby, Jessica A. Reyes, Noah W. Schlenker, Anna E. Romano, Colton Tognazzini, Matthew Feaster, Ying-Ying Goh, Michael Gale, Jr., and Rustem F. Ismagilov. 2023. "The ratio between SARS-CoV-2 RNA viral load and culturable viral titer differs depending on stage of infection: a case study of household transmission in an adult male." Access Microbiology 7(2):000732.v3. doi: 10.1099/acmi.0.000732.v3 .Manuscript
Jenny Ji*, Alexander Viloria Winnett*, Natasha Shelby, Jessica A. Reyes, Noah W. Schlenker, Hannah Davich, Saharai Caldera, Colten Tognazzini, Ying-Ying Goh, Matt Feaster, and Rustem F. Ismagilov. 2023. "Index Cases First Identified by Nasal-Swab Rapid COVID-19 Tests Had More Transmission to Household Contacts than Cases Identified by Other Test Types." PLoS ONE 18(10): e0292389. doi: 10.1371/journal.pone.0292389. Manuscript; Supplement
Alexander Viloria Winnett*, Reid Akana*, Natasha Shelby*, Hannah Davich, Saharai Caldera, Taikun Yamada, John Raymond B. Reyna, Anna E. Romano, Alyssa M. Carter, Mi Kyung Kim, Matt Thomson, Colten Tognazzini, Matthew Feaster, Ying-Ying Goh, Yap Ching Chew, and Rustem F. Ismagilov. 2023. "Daily SARS-CoV-2 Nasal Antigen Tests Miss Infected and Presumably Infectious People Due to Viral-Load Differences Among Specimen Types." Microbiology Spectrum 11(4): e01295-23. doi: 10.1128/spectrum.01295-23. Manuscript; Supplement
Alexander Viloria Winnett*, Reid Akana*, Natasha Shelby*, Hannah Davich, Saharai Caldera, Taikun Yamada, John Raymond B. Reyna, Anna E. Romano, Alyssa M. Carter, Mi Kyung Kim, Matt Thomson, Colten Tognazzini, Matthew Feaster, Ying-Ying Goh, Yap Ching Chew, and Rustem F. Ismagilov. 2023. "Extreme differences in SARS-CoV-2 viral loads among respiratory specimen types during presumed pre-infectious and infectious periods." PNAS Nexus 2(3): pgad033. doi:10.1093/pnasnexus/pgad033. Manuscript; Supplement
Alyssa M. Carter*, Alexander Viloria Winnett*, Anna E. Romano, Reid Akana, Natasha Shelby, Rustem F. Ismagilov. 2023. "Laboratory Evaluation Links Some False-Positive COVID-19 Antigen Test Results Observed in a Field Study to a Specific Lot of Test Strips." Open Forum Infectious Diseases 10(1): ofac701. Manuscript; Supplement
Alexander Viloria Winnett*, Michael K. Porter*, Anna E. Romano, Emily S. Savela, Reid Akana, Natasha Shelby, Jessica A. Reyes, Noah W. Schlenker, Matthew M. Cooper, Alyssa M. Carter, Jenny Ji, Jacob T. Barlow, Colten Tognazzini, Matthew Feaster, Ying-Ying Goh, and Rustem F. Ismagilov. 2022. "Morning SARS-CoV-2 testing yields better detection of infection due to higher viral loads in saliva and nasal swabs upon waking." Microbiology Spectrum 10(6): e03873-22. doi: 10.1128/spectrum.03873-22 Manuscript; Supplementary information
Emily S. Savela*, Alexander Viloria Winnett*, Anna E. Romano*, Michael K. Porter, Natasha Shelby, Reid Akana, Jenny Ji, Matthew M. Cooper, Noah W. Schlenker, Jessica A. Reyes, Alyssa M. Carter, Jacob T. Barlow, Colten Tognazzini, Matthew Feaster, Ying-Ying Goh, and Rustem F. Ismagilov. 2021. "Quantitative SARS-CoV-2 viral-load curves in paired saliva and nasal swabs inform appropriate respiratory sampling site and analytical test sensitivity required for earliest viral detection." Journal of Clinical Microbiology 60(2): e01785-21. doi:10.1128/JCM.01785-21. Manuscript; Supplementary Information
Alexander Winnett*, Matthew M. Cooper*, Natasha Shelby*, Anna E. Romano, Jessica A. Reyes, Jenny Ji, Michael K. Porter, Emily S. Savela, Jacob T. Barlow, Reid Akana, Colten Tognazzini, Matthew Feaster, Ying-Ying Goh, and Rustem F. Ismagilov. 2020. "SARS-CoV-2 Viral Load in Saliva Rises Gradually and to Moderate Levels in Some Humans." PREPRINT: medRxiv. doi:10.1101/2020.12.09.20239467