AUTHOR=Klement Rainer Johannes TITLE=Systems Thinking About SARS-CoV-2 JOURNAL=Frontiers in Public Health VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2020.585229 DOI=10.3389/fpubh.2020.585229 ISSN=2296-2565