Does the fact that Pfizer BioNTech use Proteinase K, purified using Column Affinity Chromatography loaded with Mucosal Heparin extracted from Pig Intestines, raise any concerns in Jewish or Muslim communities? Would some workers have difficulty with this in Covid19 jab production factories? How widely is this known? Could Heparin be a source of detectable high molecular weight impurities in the jabs?