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Infectious Disease Epidemiology, Prevention and Control Division
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Creutzfeldt-Jakob Disease (CJD)
Creutzfeldt-Jakob disease is a rare, 100% fatal, neurodegenerative brain disorder believed to be caused by abnormally folded proteins called prions (pronounced "pree-ons").
Other human prion diseases also known as transmissible spongiform encephalopathies (TSE) include kuru, Gerstmann-Straussler-Scheinker disease, variant CJD, and fatal familial insomnia.
- About Creutzfeldt-Jakob Disease (CJD)
Fact sheet that answers some commonly asked questions about classic CJD.
- For Health Professionals
Information about reporting of cases by health care providers, infection control precautions, and autopsy coordination services.
- "Variant" Creutzfeldt-Jakob Disease (vCJD)
Information about Variant Creutzfeldt-Jakob Disease.
vCJD For Health Care Providers
Last Updated: 06/23/2025