The disease is part of a group known as transmissible spongiform encephalopathies, which includes mad cow and a few other rare diseases. (sciencedaily.com)
It is reasonably rare to watch an outbreak, and doing so can give us insight into other rare diseases like Ebola.» (sciencedaily.com)
The same difficulty will confront geneticists as they discover other rare disease risk genetic variants, Southey adds. (sciencemag.org)