<http://ns.inria.fr/covid19/PMC1450020#title>	<http://purl.org/dc/terms/subject>	"Prevention" .
<http://ns.inria.fr/covid19/PMC1450020#title>	<http://purl.org/dc/terms/subject>	"Influenza pandemics" .
<http://ns.inria.fr/covid19/PMC1450020#title>	<http://purl.org/dc/terms/subject>	"Influenza A virus subtype H5N1" .