_:b57491340	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4509a768ab8962812dbdf4c610b6d741f84c8318/1> .
_:b57491340	<http://www.w3.org/ns/oa#hasSelector>	_:b57491341 .
_:b57491341	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57491341	<http://www.w3.org/ns/oa#exact>	"vaccine" .
_:b57491341	<http://www.w3.org/ns/oa#exact>	"vaccination" .