Author

Romain Fischer

Centre National de la Recherche Scientifique

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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Research Focus:ecology & biodiversity· 2 Approach:statistical model· 2 Assay:DNA methylation· 1 Assay:metagenomics· 1

Frequent Co-Authors

Augustin ClessiniD· 2 shared Béatrice GraslandiD· 2 shared Camille De PasqualeiD· 2 shared Christophe GuinetiD· 2 shared Clive R. McMahoniD· 2 shared François‐Xavier BriandiD· 2 shared Guy BaeleiD· 2 shared J TornosiD· 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

Augustin ClessinORCID

Mutual co-authors in cluster

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2 papers

Recent·Most cited

Dispersal, adaptation and persistence of H5N1 in the sub-Antarctic and Antarctica

Augustin Clessin, Marius Brusselmans, Samuel Leandro Hong, J Tornos, Mathilde Lejeune, Yucai Shao, François‐Xavier Briand, Célia Abolnik, Benjamin Kaza, Marc A. Suchard, Begoña Aguado, Antonio Alcamı́, Christophe Barbraud, Martin Beer, Ashley Bennison, , Guy Baele

This study tracks the spread and evolution of H5N1 in the sub-Antarctic and Antarctica, revealing long-distance dispersal and mammalian-adaptive mutations.

bioRxiv · Mar 31, 2026 · PreprintMicrobiology

Mass mortality events in the sub-Antarctic Indian Ocean caused by long-distance circumpolar spread of highly pathogenic avian influenza H5N1 clade 2.3.4.4b

Augustin Clessin, François‐Xavier Briand, J Tornos, Mathilde Lejeune, Camille De Pasquale, Romain Fischer, Florent Souchaud, Edouard Hirchaud, Tristan Bralet, Christophe Guinet, Clive R. McMahon, Béatrice Grasland, Guy Baele, Thierry Boulinier

This study reports the arrival of HPAI H5N1 clade 2.3.4.4b in sub-Antarctic Indian Ocean islands, causing mass mortality in seals and birds, and identifies independent introductions from South Georgia.

bioRxiv · Feb 25, 2025 · PreprintMicrobiology