<http://schema.org/alternativeHeadline>
"It's not clear how the H1N1 vaccine could increase a person's risk of developing the paralysis syndrome."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/swine-flu-vaccine-linked-with-small-risk-of-guillain-barr>