v Composed of protein only v No detectable
生物学性状 v Composed of protein only. v No detectable nucleic acid. v High resistant to UV light,heat and formalin.
散发性 遗传性 医源性 占 85%,无明显环境 诱因,无传播现象 10-15% Pituitary extract, brain electrodes, corneal transplants
CJD变种 v By ingestion of cow brain tissue in undercooked food
SEVERAL NOES 1 2 NO SEROLOGIC TEST CAN NOT BE GROWN IN CULTRUE 3 NO DRUG OR VACCINE
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