<http://schema.org/alternativeHeadline>
"Savannah Guthrie speaks with Dr. Nancy Snyderman as to why there has been an increase of cases \u2014 and deaths \u2014 related to West Nile infections."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/videos/how-did-west-nile-virus-spread-so-rapidly>