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. 2021 Apr 5;9(6):2139–2144. doi: 10.1016/j.jaip.2021.03.041

Figure 1.

Figure 1

European Competence Network on Mastocytosis and American Initiative in Mast Cell Diseases Consensus Guidelines for COVID-19 Vaccine Risk Stratification in Mastocytosis.∗ MCAS, mast cell activation syndrome; PEG, polyethylene glycol. ∗These recommendations are based on expert opinion and have not been evaluated in regard to effectiveness.