translation.en: Causative agents of vCJD are prions, composed of misfolded prion proteins (PrPSc), which form aggregates in neurological tissue leading to progressive brain damage and characteristic signs and symptoms of the disease.
translation.is: Orsakavaldar vCJD eru príónur, sem samanstanda af misfelldum príonpróteinum (PrPSc), en þær safnast saman í taugavefjum sem leiðir til stigvaxandi heilaskaða og annarra einkenna er fylgja sjúkdómnum.