Author

Kristel Ramirez Valdez

The Pirbright Institute

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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Microbiology· 2

Signature Assays, Organisms & Methods

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Organism:chicken / avian· 2 Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Assay:metagenomics· 1 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Hannah KlimiD· 2 shared Ian Hay BrowniD· 2 shared Jean-Rémy SadeyeniD· 2 shared Jiayun YangiD· 2 shared Munir IqbaliD· 2 shared Thomas P. PeacockiD· 2 shared William BarclayiD· 2 shared Alejandro NúñeziD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersMicrobiology

Hannah KlimORCID

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2 papers

Recent·Most cited

MicrobiologybioRxivPreprintOct 10, 2026

Bovine H5N1 influenza viruses have adapted to more efficiently use receptors abundant in cattle

Jack A. Hassard, Jiayun Yang, Dorothy E. D. P. Hawkins…·Thomas P. Peacock

This study shows bovine H5N1 influenza viruses have adapted to efficiently use NeuGc receptors in cattle, enhancing replication without significantly altering zoonotic risk.

5 citations

chicken / avianwhole-genome sequencing

𝕏 PostBluesky

MicrobiologybioRxivPreprintAug 21, 2026

Emerging Haemagglutinin Mutations in Bovine-origin H5N1 Influenza Viruses from Humans and Cattle Retain Avian Receptor Binding with Increased Stability

Jiayun Yang, Thomas P. Peacock, Kristel Ramirez Valdez…·Munir Iqbal

This study examines HA mutations in bovine-origin H5N1 influenza viruses, finding they retain avian receptor binding but show increased HA stability, potentially raising zoonotic risk.

DOI 10.64898/2026.08.18.745528

chicken / avianmetagenomics

𝕏 PostBluesky