Following on from previous meetings, the 13th Iberian Meeting on prions will be held on May 22 and 23, 2025, at ICBAS, Porto University (https://events.iniav.pt/Prions2025/ ), organized by the “Instituto de Ciências Biomédicas Abel Salazar (ICBAS) da Universidade do Porto (UP)”, the “Instituto Nacional de Investigação Agrária e Veterinária (INIAV)” and the “Sociedade Portuguesa de Ciências Veterinárias (SPCV)”. The invited speakers are renowned researchers in the areas of Prion Structure and Biology, Prion Diseases in Animals and Prion and Prion-like Diseases in Humans which are the main subjects of discussion of the congress.This multidisciplinary meeting brings together scientists, technicians and students from various areas who have developed activity and interest in prion diseases, from the structure of the prion protein, pathogenesis and pathology, genetic and clinical studies, to the prevention and control of transmissible spongiform encephalopathies. The organisers hope to have colleagues from various disciplines in Portugal and Spain at this meeting, as well as students from various nationalities and PhD students in this area of specialty. It is an opportunity to bring professionals together in a One Health perspective. Deadline for Registration: April 18th, 2025