Circulation of prions within dust on a scrapie affected farm

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Prion diseases are fatal neurological disorders that affect humans and animals. Scrapie of sheep/goats and Chronic Wasting Disease (CWD) of deer/elk are contagious prion diseases where environmental reservoirs have a direct link to the transmission of disease. Using protein misfolding cyclic amplification we demonstrate that scrapie PrP<sup>Sc</sup> can be detected within circulating dusts that are present on a farm that is naturally contaminated with sheep scrapie. The presence of infectious scrapie within airborne dusts may represent a possible route of infection and illustrates the difficulties that may be associated with the effective decontamination of such scrapie affected premises.




Gough, K. C., Baker, C. A., Simmons, H. A., Hawkins, S. A., & Maddison, B. C. (2015). Circulation of prions within dust on a scrapie affected farm. Veterinary Research, 46(1).

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