_:b58019849 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b58019849 <http://www.w3.org/ns/oa#exact> "prevalence" . _:b58019848 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/81edc6c457abed72430929ea63c3d7b5198e0b23/0> . _:b58019848 <http://www.w3.org/ns/oa#hasSelector> _:b58019849 .