_:b57575569	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57575568	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/204ee12932cb6c761b51c31e460adf68fbcaa992/1> .
_:b57575568	<http://www.w3.org/ns/oa#hasSelector>	_:b57575569 .
_:b57575569	<http://www.w3.org/ns/oa#exact>	"immune responses" .