AUTHOR=Perez Andres M. , Alba Anna , Goede Dane , McCluskey Brian , Morrison Robert TITLE=Corrigendum: Monitoring the Spread of Swine Enteric Coronavirus Diseases in the United States in the Absence of a Regulatory Framework JOURNAL=Frontiers in Veterinary Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2021.794591 DOI=10.3389/fvets.2021.794591 ISSN=2297-1769