<http://ns.inria.fr/covid19/PMC7126099#title>	<http://purl.org/dc/terms/subject>	"G7 nations" .
<http://ns.inria.fr/covid19/PMC7126099#title>	<http://purl.org/dc/terms/subject>	"1861 establishments in Europe" .
<http://ns.inria.fr/covid19/PMC7126099#title>	<http://purl.org/dc/terms/subject>	"Southern European countries" .