<http://ns.inria.fr/covid19/PMC7112782#body_text>	<http://purl.org/dc/terms/subject>	"Multinational companies headquartered in the United States" .
<http://ns.inria.fr/covid19/PMC7112782#body_text>	<http://purl.org/dc/terms/subject>	"Companies established in 1978" .
<http://ns.inria.fr/covid19/PMC7112782#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .