Known as transmissible spongiform encephalopathies, or TSEs, they arise spontaneously in species as varied as sheep, cattle, mink, deer and people.

 
  • 如我們所知的傳染性海綿狀腦病(TSEs),在不同物種如羊、牛、水貂、鹿和人中同時(shí)存在。
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