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Caroline Kikawa

@ckikawa.bsky.social
49 followers 60 following 1 posts

MD-PhD student with @jbloomlab.bsky.social

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Reposted by Caroline Kikawa
Bloom lab @jbloomlab.bsky.social · 17/09/2026
We have measured 47,851 neutralization titers of current human sera vs current influenza strains to inform vaccine update & analyses of viral evolution. New H1N1 strains (eg, D.3.1.1 + G155E) have reduced neutralization, as do some H3N2 subclade K descendants. www.biorxiv.org/content/10.6...
biorxiv.org
Near real-time data on the human neutralizing antibody landscape to influenza virus in summer of 2026 shows antigenic advance of H3N2 subclade K region D mutants and H1N1 D.3.1.1 Sa mutants
Human seasonal influenza evolves rapidly, necessitating twice yearly decisions about whether to update the strains in the vaccine. To help inform this decision, we have been using high-throughput sequ...
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Caroline Kikawa @ckikawa.bsky.social · 22/02/2026
So honored to have received this award! Thank you to the Experiement Foundation and @navigation.org
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Reposted by Caroline Kikawa
Bloom lab @jbloomlab.bsky.social · 20/02/2026
We have posted data providing real-time measurement of human neutralizing antibody landscape to seasonal influenza. Data explain spread of subclades K (H3N2) & D.3.1.1 (H1N1), identify subclade K subvariants w reduced neutralization, & can inform choice of strains for next vaccine.
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Reposted by Caroline Kikawa
Bloom lab @jbloomlab.bsky.social · 08/09/2025
In new study led by @ckikawa.bsky.social, we provide near real-time data on human neutralizing antibody landscape to influenza by measuring ~26,000 titers to >100 recent viral strains Data can inform vaccine selection & evolutionary/epidemiological modeling www.biorxiv.org/content/10.1...
biorxiv.org
Near real-time data on the human neutralizing antibody landscape to influenza virus to inform vaccine-strain selection in September 2025
The hemagglutinin of human influenza virus evolves rapidly to erode neutralizing antibody immunity. Twice per year, new vaccine strains are selected with the goal of providing maximum protection again...
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Reposted by Caroline Kikawa
Bloom lab @jbloomlab.bsky.social · 12/03/2025
In study led by @ckikawa.bsky.social & Andrea Loes, we use new assay to measure ~10,000 neutralization titers to recent influenza strains & show titers correlate w evolutionary success of viral strains Similar data could help forecast evolution for vaccine selection www.biorxiv.org/content/10.1...
biorxiv.org
High-throughput neutralization measurements correlate strongly with evolutionary success of human influenza strains
Human influenza viruses rapidly acquire mutations in their hemagglutinin (HA) protein that erode neutralization by antibodies from prior exposures. Here, we use a sequencing-based assay to measure neu...
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