Author

Alex Harteloo

University of Washington

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Immunology· 2 Microbiology· 1

Signature Assays, Organisms & Methods

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Research Focus:host-pathogen & immune response· 3 Organism:human· 3 Assay:proteomics· 3 Research Focus:cell type annotation· 2 Research Focus:differential expression· 2 Approach:experimental assay· 2 Research Focus:clustering· 1 Approach:deep learning· 1

Frequent Co-Authors

Helen Y. ChuiD· 3 shared Anna Elias-WarreniD· 2 shared Amin AddetiaiD· 1 shared Benjamin Merz· 1 shared Bernadeta DadonaiteiD· 1 shared Brendan B. LarseniD· 1 shared Cameron StewartiD· 1 shared David VeesleriD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 23 mutual co-author links

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3 shared papersImmunology

Helen Y. ChuORCID

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3 papers

Recent·Most cited

Repeated COVID-19 vaccine boosters elicit variant-specific memory B cells in humans

M. Alejandra Tortorici, Kaitlin R. Sprouse, Amin Addetia, Jack T Brown, Jimin Lee, Cameron Stewart, Benjamin Merz, Alex Harteloo, Anna Elias-Warren, Helen Y. Chu, David Veesler

The paper shows repeated SARS-CoV-2 vaccine boosters elicit variant-specific memory B cells and neutralizing antibodies, suggesting immune imprinting can be overcome with updated vaccines.

Cell Reports · Mar 1, 2026Peer-reviewedImmunology

Re-infection with SARS-CoV-2 is associated with increased antibody breadth and potency against diverse sarbecovirus strains

Michelle Lilly, Felicitas Ruiz, William B. Foreman, Vrasha Chohan, Jamie Guenthoer, Delphine Depierreux, Viren A. Baharani, Duncan Ralph, Alex Harteloo, Helen Y. Chu, Paul D. Bieniasz, Tyler N. Starr, Julie M. Overbaugh

This study shows that re-infection with SARS-CoV-2 leads to broader and more potent antibodies against diverse sarbecovirus strains compared to antibodies from a prior infection.

mBio · Feb 25, 2026Peer-reviewedImmunology

Spike mutations that affect the function and antigenicity of recent KP.3.1.1-like SARS-CoV-2 variants

Bernadeta Dadonaite, Sheri Harari, Brendan B. Larsen, Lucas Kampman, Alex Harteloo, Anna Elias-Warren, Helen Y. Chu, Jesse D. Bloom

This paper identifies spike mutations in recent SARS-CoV-2 variants that reduce neutralization by human antibodies and clinically relevant monoclonal antibodies, highlighting key sites and mechanisms affecting antigenicity and function.

Journal of Virology · Oct 13, 2025Peer-reviewedMicrobiology