<http://webisa.webdatacommons.org/29195042>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/29195042>	<http://www.w3.org/ns/prov#value>	"Of course, 50 percent effectiveness is far less than the 90 percent-plus protection offered by established vaccines against polio, measles, whooping cough, tetanus and other infections." .
<http://webisa.webdatacommons.org/29195042>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kios.org> .
<http://webisa.webdatacommons.org/prov/338027214>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/29195042> .
<http://webisa.webdatacommons.org/prov/316647689>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/29195042> .