_:b57706820	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d87eaf5267713f57c2f641af840bde500716dc00/0> .
_:b57706821	<http://www.w3.org/ns/oa#exact>	"attenuated" .
_:b57706820	<http://www.w3.org/ns/oa#hasSelector>	_:b57706821 .
_:b57706821	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .