AUTHOR=Kaur Ginpreet , Tuli Hardeep Singh TITLE=Editorial: COVID 19: New Variants and Host Demography JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2022.905817 DOI=10.3389/fcimb.2022.905817 ISSN=2235-2988