_:b56586420	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d547a221a6a3a241bcffc4e0b7b2128c85726613/0> .
_:b56586420	<http://www.w3.org/ns/oa#hasSelector>	_:b56586421 .
_:b56586421	<http://www.w3.org/ns/oa#exact>	"prevalence" .
_:b56586421	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .