AUTHOR=Aqel Sami , Thalappil Sherin , Imameldin Asaad , Mudawi Dalal , Al Maslamani Muna , Al-Khal Abdullatif , Mobayed Hassan , Al-Nesf Maryam Ali , Ibrahim Tayseer TITLE=Challenges in diagnosing polyethylene glycol and polysorbate 80 allergies: implications for allergic reactions in COVID-19 mRNA vaccination program: experience from Qatar JOURNAL=Frontiers in Allergy VOLUME=5 YEAR=2025 URL=https://www.frontiersin.org/journals/allergy/articles/10.3389/falgy.2024.1502285 DOI=10.3389/falgy.2024.1502285 ISSN=2673-6101