AUTHOR=Abd El-Baky Nawal , Amara Amro Abd Al Fattah TITLE=Depending on Epitope Profile of COVID-19 mRNA Vaccine Recipients: Are They More Efficient Against the Arising Viral Variants? An Opinion Article JOURNAL=Frontiers in Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.903876 DOI=10.3389/fmed.2022.903876 ISSN=2296-858X