<http://ns.inria.fr/covid19/PMC7220591#body_text>	<http://purl.org/dc/terms/subject>	"Review journals" .
<http://ns.inria.fr/covid19/PMC7220591#body_text>	<http://purl.org/dc/terms/subject>	"1849 establishments in the United States" .
<http://ns.inria.fr/covid19/PMC7220591#body_text>	<http://purl.org/dc/terms/subject>	"Centers for Disease Control and Prevention" .