AUTHOR=Lal Sunil K. TITLE=Editorial: Coronavirus Evolution, Cross-Species Transmission and Recombination JOURNAL=Frontiers in Microbiology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2021.819417 DOI=10.3389/fmicb.2021.819417 ISSN=1664-302X