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Acknowledgements
We thank R. Zinkernagel, U. Karrer, E. Flechsig and K. Riem for help with haemopoietic transfer. This study was supported by the Kanton of Zürich, by grants from the Schweizerischer Nationalfonds and Nationales Forschungsprogramm 38 (to A.A. and C.W.) by the European Union, Bundesamt für Veterinärwesen und für Gesundheit and Migros Foundation (A.A.), and by the Human Frontier Science Program (C.W.).
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Adriano Aguzzi: Correspondence and requests for materials should be addressed to A.A.
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Blättler, T., Brandner, S., Raeber, A. et al. PrP-expressing tissue required for transfer of scrapie infectivity from spleen to brain. Nature 389, 69–73 (1997). https://doi.org/10.1038/37981
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DOI: https://doi.org/10.1038/37981
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