_:b56171309	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56171308	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/06dbf9dc0dbe752f642f941977d34444c7007706/0> .
_:b56171308	<http://www.w3.org/ns/oa#hasSelector>	_:b56171309 .
_:b56171309	<http://www.w3.org/ns/oa#exact>	"influenza vaccine" .