AUTHOR=Camoretti-Mercado Blanca , Liao Qianjin , Tian Zhi , Allen-Gipson Diane TITLE=Editorial: Cigarette Smoke, E-Cigarette/E-Vaping and COVID-19: Risks and Implications in This New Era JOURNAL=Frontiers in Physiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2021.724910 DOI=10.3389/fphys.2021.724910 ISSN=1664-042X