These ‘Inactive’ Ingredients in COVID Vaccines Could Trigger Allergic Reactions – Centre for Research on Globalization

With the advent of three experimental COVID injections approved for emergency use in the U.S., manufacturers have introduced new primary ingredients to the U.S. vaccine stage — messenger RNA (mRNA) in the Pfizer and Moderna injections and an adenovirus vector in the Johnson & Johnson (J&J) injection.

PEGs and polysorbates are structurally similar and are also sometimes combined in a PEG-polysorbate 80 mixture that is “substantially the same as that of … pure PEG.” Pre-COVID, both compounds had already been flagged for their ability to cross-react and produce immediate hypersensitivity reactions, a type of “exaggerated or inappropriate” immune response that can include anaphylaxis.

Given that at least 1,689 recipients of the Pfizer and Moderna injections have reported anaphylactic or serious allergic reactions (as of March 5), and that two J&J clinical trial participants also suffered severe allergic reactions, some allergy experts are recommending that closer attention be directed to the risks of both excipients.

…Castells and Phillips, in their 2021 NEJM paper, report that “the incidence of anaphylaxis associated with the Pfizer SARS-Cov-2 mRNA vaccine appears to be approximately 10 times as high as the incidence reported with all previous vaccines.”

These ‘Inactive’ Ingredients in COVID Vaccines Could Trigger Allergic Reactions – Global ResearchGlobal Research – Centre for Research on Globalization