See Kikawa et al (2025) for details on this study.
Briefly, this study used sequencing-based neutralization assays to measure titers to influenza viruses with HAs from seasonal H3N2 and H1N1 viruses representative of those circulating in the summer of 2025 against a set of human sera collected in late 2024 to spring of 2025.
The numerical data and computer code are at https://github.com/jbloomlab/flu-seqneut-2025
Documentation of results rendered as of Wed Nov 5 10:29:20 2025