Examination of Homologies between COVID-19 Vaccines and Common Allergens: The Potential for T Cell-mediated Responses for Allergic Rhinitis and Asthma

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Abstract

As the SARS-CoV-2 virus shares relatively large protein sequences homologous to grass pollens, dust mites, and molds, our objective was to assess the potential overlap between the COVID-19 mRNA vaccines from Pfizer-BioNtech and Moderna and known allergens. We found 7 common allergens with potential for cross-reactivity with the Pfizer vaccine and 19 with the Moderna vaccine, including common grasses, molds, and dust mites. T-cell mediated antigen cross-reactivity between viruses and allergens is a relatively new area of study in clinical immunology; a discipline that may be particularly useful regarding the SARS-CoV-2 virus and the allergic response in humans. These results suggest that vaccination with the Pfizer-BioNtech and Moderna COVID-19 vaccines may contribute to T-cell cross-reactivity with allergens that impact allergic asthma and allergic rhinitis. Further research should assess the clinical implications of COVID-19 vaccination on the severity and symptomatology of the allergic disease, in addition to natural viral infection.
Original languageAmerican English
Pages (from-to)1-3
Number of pages3
JournalInfectious Diseases & Immunity
Volume2
Issue number01
DOIs
StatePublished - 28 Jun 2022

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