<http://ns.inria.fr/covid19/PMC7368851#title>	<http://purl.org/dc/terms/subject>	"Medical tests" .
<http://ns.inria.fr/covid19/PMC7368851#title>	<http://purl.org/dc/terms/subject>	"2019 disasters in China" .
<http://ns.inria.fr/covid19/PMC7368851#title>	<http://purl.org/dc/terms/subject>	"Charities based in Texas" .