<http://schema.org/alternativeHeadline>
"To most medical professionals, the advantages of the flu vaccine far outweigh any risks. But other professionals feel completely the opposite."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/the-truth-about-getting-the-flu-shot?page=4>