Vaccines Allergies and Polyethylene Glycol (PEG)

Course Content
Vaccine
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COVID Vaccine Discussions
About Lesson

How Polyethylene Glycol (PEG) in Vaccines May Cause Allergic Reactions PEG is an important part of the lipid nanoparticles based vaccines. Moderna COVID vaccine mRNA-1273 and Pfizer-BionTech COVID vaccine BNT162b2 contain PEG2000 in abundance. Let’s review why some people are getting allergic reactions with these vaccines, and the impact on the patient’s immune system for the future PEGylated therapies.