_:b57738588 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/9903fc2ee43aca54acf2469fdc2ae8de2e62a09c/0> . _:b57738588 <http://www.w3.org/ns/oa#hasSelector> _:b57738589 . _:b57738589 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57738589 <http://www.w3.org/ns/oa#exact> "virus" .