_:b56899489	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56899488	<http://www.w3.org/ns/oa#hasSelector>	_:b56899489 .
_:b56899488	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d8ddfef3f0358553cdf1330282c734c0611f301c/1> .
_:b56899489	<http://www.w3.org/ns/oa#exact>	"seroprevalence" .