<http://ns.inria.fr/covid19/PMC7316107#title>	<http://purl.org/dc/terms/subject>	"2019 health disasters" .
<http://ns.inria.fr/covid19/PMC7316107#title>	<http://purl.org/dc/terms/subject>	"City-states" .
<http://ns.inria.fr/covid19/PMC7316107#title>	<http://purl.org/dc/terms/subject>	"Member states of the Association of Southeast Asian Nations" .