<http://ns.inria.fr/covid19/PMC6981968#title>	<http://purl.org/dc/terms/subject>	"Korean-speaking countries and territories" .
<http://ns.inria.fr/covid19/PMC6981968#title>	<http://purl.org/dc/terms/subject>	"East Asian countries" .
<http://ns.inria.fr/covid19/PMC6981968#title>	<http://purl.org/dc/terms/subject>	"Health in Saudi Arabia" .