<http://ns.inria.fr/covid19/PMC7114232#body_text>	<http://purl.org/dc/terms/subject>	"Light rail" .
<http://ns.inria.fr/covid19/PMC7114232#body_text>	<http://purl.org/dc/terms/subject>	"Essential Air Service" .
<http://ns.inria.fr/covid19/PMC7114232#body_text>	<http://purl.org/dc/terms/subject>	"Orthomyxoviridae" .