This is the human form of mad cow disease. It can be transferred from the meat of diseased cows to humans. If you remember, it was big in Britain a few years back.
Most of CJD appears randomly without contamination. Most doctors think it is hereditary.
Hubby’s younger brother died in 8 months after contracting this horrid disease, he had visited his dentist just before coming down with it, and then we learn his Dentist died of the same thing.
Now the entire family is barred from blood donating. That kind of tells you it can be contagious.