<http://schema.org/description>
" Bird flu is believed to be a rare disease that kills more than half of the people it infects, but a US study out Thursday suggests it may be more common and less lethal than previously thought."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-02-bird-flu-cases-common-thought.html>