_:b57677976	<http://www.w3.org/ns/oa#hasSelector>	_:b57677977 .
_:b57677977	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57677976	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fc81b13024b83488ca628123c21170ac836fb5fe/1> .
_:b57677977	<http://www.w3.org/ns/oa#exact>	"immune responses" .