_:b58036060 <http://www.w3.org/ns/oa#hasSelector> _:b58036061 . _:b58036060 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/ea367b31a6363d4b484b17c54a54bf9db9774ec4/0> . _:b58036061 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b58036061 <http://www.w3.org/ns/oa#exact> "prevalence" .