_:b57506876	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/32b6ecf50c62b0c312394d6082c1824391f9d994/0> .
_:b57506876	<http://www.w3.org/ns/oa#hasSelector>	_:b57506877 .
_:b57506877	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57506877	<http://www.w3.org/ns/oa#exact>	"severe" .