_:b57835560	<http://www.w3.org/ns/oa#hasSelector>	_:b57835561 .
_:b57835561	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57835561	<http://www.w3.org/ns/oa#exact>	"severity" .
_:b57835560	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/18463a702bced99faf6649f8e39db15636388665/4> .