What is the rare brain disease which causes sponge-like holes in the brain?

What is the rare brain disease which causes sponge-like holes in the brain?

A total of three cases of Creutzfeldt-Jakob disease, a rare and incurable brain condition, have been detected in Hood River County of Oregon state over the last eight months. This condition causes the brain to rapidly deteriorate, forming sponge-like holes that lead to severe neurological damage and, ultimately, death

Creutzfeldt-Jakob Disease, a rare condition causes the brain to rapidly deteriorate, forming sponge-like holes that lead to severe neurological damage and, ultimately, death. Image for Representation. Reuters