Author

Jafar Hassan

Animal and Plant Health Agency

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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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Research Focus:cell signaling & trafficking· 1 Research Focus:cell type annotation· 1 Research Focus:differential expression· 1 Organism:plant (other)· 1

Frequent Co-Authors

Alejandro NúñeziD· 2 shared Ashley C. BanyardiD· 2 shared Audra-Lynne D. SchlachteriD· 2 shared Cecilia Di GenovaiD· 2 shared Elizabeth BillingtoniD· 2 shared Joe JamesiD· 2 shared Kajal RalhiD· 2 shared Kelly J. RoperiD· 2 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersMicrobiology

Alejandro NúñezORCID

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Author profile →

2 papers

Recent·Most cited

The mammalian-adaptive PB2-E627K substitution preserves viral fitness of clade 2.3.4.4b H5N1 HPAIV in birds.

Elizabeth Billington, Sofia Riccio, Maryn D. Brown, Benjamin C. Mollett, Jessica L. Quantrill, Simon Johnson, Cecilia Di Genova, Jiayun Yang, Jean-Rémy Sadeyen, Audra-Lynne D. Schlachter, Kelly J. Roper, Jafar Hassan, Benjamin Clifton, Kajal Ralh, Caroline Janet Warren, , Joe James

This study shows that the mammalian-adaptive PB2-E627K mutation in H5N1 HPAIV maintains viral fitness in avian hosts, increasing zoonotic risk.

bioRxiv · Oct 8, 2026 · PreprintMicrobiology

Pigeons exhibit low susceptibility and poor transmission capacity for H5N1 clade 2.3.4.4b high pathogenicity avian influenza virus

Cecilia Di Genova, Caroline J. Warren, Simon Johnson, Sofia Riccio, Kelly J. Roper, Saumya S. Thomas, Audra-Lynne D. Schlachter, David Jorge, Kajal Ralh, Jafar Hassan, Elizabeth Billington, Alejandro Núñez, Ian Hay Brown, Marek J. Slomka, Ashley C. Banyard, Joe James

This study shows pigeons are not easily infected by H5N1 clade 2.3.4.4b virus and cannot transmit it to other birds or chickens.

Journal of General Virology · Sep 17, 2025Peer-reviewedMicrobiology