<http://ns.inria.fr/covid19/PMC5338018#body_text>	<http://purl.org/dc/terms/subject>	"Greater London" .
<http://ns.inria.fr/covid19/PMC5338018#body_text>	<http://purl.org/dc/terms/subject>	"14th-century health disasters" .
<http://ns.inria.fr/covid19/PMC5338018#body_text>	<http://purl.org/dc/terms/subject>	"Economic globalization" .