<http://schema.org/about>
"For the most part, U.S. kindergartners are up-to-date with their vaccines, but there remains room for improvement, according to a new report from the Centers fo"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/kids-vaccine-rates-for-measles-need-to-improve-says-cdc>