<http://ns.inria.fr/covid19/PMC7197470#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .
<http://ns.inria.fr/covid19/PMC7197470#body_text>	<http://purl.org/dc/terms/subject>	"Mammals described in 1820" .
<http://ns.inria.fr/covid19/PMC7197470#body_text>	<http://purl.org/dc/terms/subject>	"Taxa named by John Bachman" .