Remember the near panic about flu shots not being available this year? Today the company that makes a flu nasal spray vaccine says it's selling only about a third of what it expected to this winter. Flu-mist had ramped up its production to meet a potential flu crisis - one that hasn't materialized so far. There's a new tool that might have helped the folks at Flu-mist. Some researchers at the University of Iowa College of Business are trying to improve our ability to predict flu outbreaks - by using a model some of you might be familiar with. From WOI in Ames, Iowa, Joyce Russell reports.