I’ve read of accounts of “Kuru” and from what I’ve read the diseases caused by prions generally have a long incubation period, and that it can take a very singular prion to cascade into a complete disease.
In: Biology
Prion diseases just aren’t contagious enough to cause an epidemic/pandemic. Kuru originated in a group that practiced cannibalism, and it spreads through direct contact with brain tissue. It’s not like COVID, where you can get sick simply from being around an infected person. Unless you’re eating human brains on a regular basis, there’s basically no risk of you ever getting kuru.
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