<http://ns.inria.fr/covid19/PMC4546987#body_text>	<http://purl.org/dc/terms/subject>	"Centers for Disease Control and Prevention" .
<http://ns.inria.fr/covid19/PMC4546987#body_text>	<http://purl.org/dc/terms/subject>	"Islands of the East China Sea" .
<http://ns.inria.fr/covid19/PMC4546987#body_text>	<http://purl.org/dc/terms/subject>	"Islands of the Sea of Japan" .