_:b57640621	<http://www.w3.org/ns/oa#exact>	"severe" .
_:b57640620	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a8f598af282543b2862ab62a4c671754a94c8a5e/2> .
_:b57640620	<http://www.w3.org/ns/oa#hasSelector>	_:b57640621 .
_:b57640621	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .