prion transmission, the primary method of infection in animals is through ingestion. It is thought that prions may be deposited in the environment through the remains of dead animals and via urine, saliva, and other body fluids and spreading through airborne transmission on aerosol particles. 看样子这东西防不胜防啊！
Loblaw开卖蟋蟀面粉，敢吃吗？营养好用途广