Complex sentence: Jakob disease (CJD) is a rare degenerative and fatal neurological disease of humans caused by prion organisms which are usually transmitted by consuming the flesh (especially the neurological tissue and offal) of infected animals.
Split into simpler sentences: Jakob disease (CJD) is a rare degenerative and fatal neurological disease in humans caused by prion organisms. Prions are usually transmitted by consuming flesh (especially neurological tissue and offal) of infected animals.