<http://schema.org/description>
"(HealthDay) -- Pre-teens living in states that require vaccinations for incoming middle school students are more likely to be immunized than those in states without such requirements, a new study finds."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-05-pre-teens-vaccines-middle-schools-require.html>