This preprint has now been published in Veterinary Pathology:

Fiorito C, Fernández A, Colom-Rivero A, Alonso-Almorox P, Andrada M, Lombardo D, Sierra E. Neuropathology, novel tissue tropism, and evidence of vertical transmission in South American pinnipeds naturally infected with high pathogenicity avian influenza H5N1 virus in Argentina. Veterinary Pathology, 2026. https://doi.org/10.1177/03009858261465443

We kindly ask bioRxiv staff to link this preprint to the published version (the title changed, which may have prevented the automatic match).