AUTHOR=Narh Charles A. , Manickum Cordelia , Vajravelu Bathri , Zella Davide , Mosi Lydia TITLE=Editorial: “Source-tracking,” molecular epidemiology and antigenic diversity of SARS-CoV-2 infections causing coronavirus disease 2019, COVID-19 JOURNAL=Frontiers in Genetics VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2022.1031750 DOI=10.3389/fgene.2022.1031750 ISSN=1664-8021