Studies on COVID-19 vaccines have suggested links between Creutzfeldt-Jakob disease (CJD)—an incurable and fatal prion disease—and getting the COVID-19 vaccine. A recent French pre-print on CJD and COVID-19 vaccination has suggested that the COVID-19 vaccine may have contributed to the emergence of a new type of sporadic CJD disease that is a lot more aggressive and rapid in disease progression as compared to the traditional CJD. CJD is a rare disease caused by an abnormal protein in the brain called a prion. Prions naturally occur in the brain and are usually harmless, but when they become diseased or misfolded, they...