AUTHOR=Lee Rachel U. , Glickman Gena L. TITLE=Sleep, Circadian Health and Melatonin for Mitigating COVID-19 and Optimizing Vaccine Efficacy JOURNAL=Frontiers in Neuroscience VOLUME=15 YEAR=2021 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2021.711605 DOI=10.3389/fnins.2021.711605 ISSN=1662-453X