_:b57643552	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9f559c365b058f58fcb065cae456c3fe3aff67a7/0> .
_:b57643553	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57643552	<http://www.w3.org/ns/oa#hasSelector>	_:b57643553 .
_:b57643553	<http://www.w3.org/ns/oa#exact>	"attenuated" .