by John-Michael Dumais, Childrens Health Defense:

Hebrew University scholar Josh Guetzkow, Ph.D., told John Campbell, Ph.D., the Pfizer-BioNTech vaccine rolled out to the public has bacterial contaminants and lower mRNA integrity compared to the version Pfizer used in its clinical trials.

The COVID-19 vaccine Pfizer-BioNTech rolled out to the world was not the same version that the vaccine maker used for its clinical trials, but an inferior formulation with significant impurities, according to Josh Guetzkow, Ph.D., assistant professor at the Hebrew University of Jerusalem.