_:b57181720	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ef9e5d3478a25dc6971c9013a57eebff7747ac19/5> .
_:b57181720	<http://www.w3.org/ns/oa#hasSelector>	_:b57181721 .
_:b57181721	<http://www.w3.org/ns/oa#exact>	"virus infection" .
_:b57181721	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .