About: http://webisa.webdatacommons.org/236772170

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	May 7, 2010 at 3:30 am Greg Fish ???The issue is herd immunity, where people who don???t get vaccinated endanger others, in particular infants who are not old enough to be vaccinated.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com