_:b57175600	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/03315669601c97e39bcaded337cc11c7aa0871d7/1> .
_:b57175600	<http://www.w3.org/ns/oa#hasSelector>	_:b57175601 .
_:b57175601	<http://www.w3.org/ns/oa#exact>	"prevalence" .
_:b57175601	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .