<http://ns.inria.fr/covid19/PMC7137810#body_text>	<http://purl.org/dc/terms/subject>	"Brazil" .
<http://ns.inria.fr/covid19/PMC7137810#body_text>	<http://purl.org/dc/terms/subject>	"Distributed computing problems" .
<http://ns.inria.fr/covid19/PMC7137810#body_text>	<http://purl.org/dc/terms/subject>	"Ecosystems" .