In August, CHD asked regulators to investigate the use of polyethylene glycol (PEG) in COVID mRNA vaccines, which could have caused the severe allergic reactions reported this week by two of the first UK recipients of Pfizer’s vaccine.
In August, CHD asked regulators to investigate the use of polyethylene glycol (PEG) in COVID mRNA vaccines, which could have caused the severe allergic reactions reported this week by two of the first UK recipients of Pfizer’s vaccine.


