<http://ns.inria.fr/covid19/PMC7258448#title>	<http://purl.org/dc/terms/subject>	"BRICS nations" .
<http://ns.inria.fr/covid19/PMC7258448#title>	<http://purl.org/dc/terms/subject>	"Special Economic Zones of China" .
<http://ns.inria.fr/covid19/PMC7258448#title>	<http://purl.org/dc/terms/subject>	"COVID-19" .