<http://ns.inria.fr/covid19/PMC5820954#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .
<http://ns.inria.fr/covid19/PMC5820954#body_text>	<http://purl.org/dc/terms/subject>	"Taxa named by George Ord" .
<http://ns.inria.fr/covid19/PMC5820954#body_text>	<http://purl.org/dc/terms/subject>	"Dog diseases" .