Many have argued that SARS-CoV-2 spike protein and its mRNA sequence, found in all COVID-19 vaccines, are priongenic. The UK’s Yellow Card database of COVID-19 vaccine adverse event reports was evaluated for signals consistent with a pending epidemic of COVID vaccine induced prion disease.

Adverse event reaction rates from AstraZeneca’s vaccine were compared to adverse event rates for Pfizer’s COVID vaccines. The vaccines employ different technologies allowing for potential differences in adverse event rates but allowing each to serve as a control group for the other.

The analysis showed a highly statistically significant and clinically relevant (2.6-fold) increase in Parkinson’s disease, a prion disease, in the AstraZeneca adverse reaction reports compared to the Pfizer vaccine adverse reaction reports (p= 0.000024). These results are consistent with monkey toxicity studies showing infection with SARS-CoV-2 results in Lewy Body formation.

The findings suggest that regulatory approval, even under an emergency use authorization, for COVID vaccines was premature and that widespread use should be halted until full long term safety studies evaluating prion toxicity has been complete. Alternative vaccines like the Measles Mumps Rubella (MMR) vaccine should be explored for those desiring immunization against COVID-19. 

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