<http://ns.inria.fr/covid19/PMC7114585#body_text>	<http://purl.org/dc/terms/subject>	"Hong Kong" .
<http://ns.inria.fr/covid19/PMC7114585#body_text>	<http://purl.org/dc/terms/subject>	"Metropolitan areas of China" .
<http://ns.inria.fr/covid19/PMC7114585#body_text>	<http://purl.org/dc/terms/subject>	"Differential equations" .