[Allergy to Pfizer-BioNTech® vaccine demonstrated by skin testing].
Carlos David Estrada-GarcíaAna Paola Macías-RoblesRosa María Cortés-GrimaldoHilda Lilian Carvajal-AlonsoMarlén Barreto-AlcaláAdriana Ramírez-NepomucenoDavid Esparza-AmayaKareli Guadalupe Coronado-HernándezBritza Barrios-DíazHéctor Hugo Campos-TéllezPublished in: Revista alergia Mexico (Tecamachalco, Puebla, Mexico : 1993) (2023)
An adequate risk stratification should be performed before applying mRNA-based COVID-19 vaccines for the first time in at-risk groups. In case of anaphylaxis at the first dose, phenotyping and further study with PEG skin tests should be performed and vaccination alternatives should be offered.