Most People With PEG Allergy or Reactions to First COVID-19 Shot Can Still Complete Vaccine Series

With the rollout of COVID-19 vaccines, there’s been concern about possible allergic reactions to polyethylene glycol (PEG), an ingredient used to stabilize lipid nanoparticles in the Moderna and Pfizer-BioNTech’s mRNA vaccines. Two posters presented at this year’s American College of Allergy, Asthma and Immunology annual meeting show that allergists can help safely […]