<http://ns.inria.fr/covid19/PMC7172117#body_text>	<http://purl.org/dc/terms/subject>	"Infectious diseases" .
<http://ns.inria.fr/covid19/PMC7172117#body_text>	<http://purl.org/dc/terms/subject>	"Cloud clients" .
<http://ns.inria.fr/covid19/PMC7172117#body_text>	<http://purl.org/dc/terms/subject>	"Portable computers" .
<http://ns.inria.fr/covid19/PMC7172117#body_text>	<http://purl.org/dc/terms/subject>	"Epidemiology" .
<http://ns.inria.fr/covid19/PMC7172117#body_text>	<http://purl.org/dc/terms/subject>	"Global Positioning System" .