Bad batches ("hot lots") of Pfizer COVID-19 mRNA vaccines: 4.2% of Pfizer vaccine doses are deadly, but what about the rest? Three websites to check how bad your COVID-19 batch was.

A Danish research letter by Max Schmeling published in Jan.2023, examined Pfizer mRNA COVID-19 batch “safety” of Pfizer vaccines administered in Denmark during 2021. (click here)