_:b56573968	<http://www.w3.org/ns/oa#hasSelector>	_:b56573969 .
_:b56573969	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56573968	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ec03292e5b03b42261c400a361840d7f22c6abf3/2> .
_:b56573969	<http://www.w3.org/ns/oa#exact>	"contact rate" .