<http://ns.inria.fr/covid19/PMC3545879#title>	<http://purl.org/dc/terms/subject>	"Statistical data types" .
<http://ns.inria.fr/covid19/PMC3545879#title>	<http://purl.org/dc/terms/subject>	"2019 disasters by country" .
<http://ns.inria.fr/covid19/PMC3545879#title>	<http://purl.org/dc/terms/subject>	"Influenza" .