<http://ns.inria.fr/covid19/PMC7235682#title>	<http://purl.org/dc/terms/subject>	"February 2020 events in the United States" .
<http://ns.inria.fr/covid19/PMC7235682#title>	<http://purl.org/dc/terms/subject>	"Pulmonary heart disease and diseases of pulmonary circulation" .
<http://ns.inria.fr/covid19/PMC7235682#title>	<http://purl.org/dc/terms/subject>	"BRICS nations" .