<http://schema.org/mainEntityOfPage>
<http://www.mercurynews.com/2013/01/18/california-now-has-widespread-flu-activity-in-an-earlier-than-normal-season/>
<http://www.mercurynews.com/2013/01/18/california-now-has-widespread-flu-activity-in-an-earlier-than-normal-season/>