期刊
JOURNAL OF VIROLOGY
卷 84, 期 21, 页码 11560-11562出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.01133-10
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- Department for Environment, Food and Rural Affairs, United Kingdom [SE1858]
Ovine scrapie and cervine chronic wasting disease show considerable horizontal transmission. Here we report that a scrapie-affected sheep farm has a widespread environmental contamination with prions. Prions were amplified by protein-misfolding cyclic amplification (sPMCA) from seven of nine environmental swab samples taken, including those from metal, plastic, and wooden surfaces. Sheep had been removed from the areas from which the swabs were taken up to 20 days prior to sampling, indicating that prions persist for at least that long. These data implicate inanimate objects as environmental reservoirs for prion infectivity that are likely to contribute to facile disease transmission.
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