<http://ns.inria.fr/covid19/PMC7252041#body_text>	<http://purl.org/dc/terms/subject>	"Nutrition" .
<http://ns.inria.fr/covid19/PMC7252041#body_text>	<http://purl.org/dc/terms/subject>	"February 2020 events in China" .
<http://ns.inria.fr/covid19/PMC7252041#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .