Are We Prepared to Fight the Flu? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email This year's flu season is shaping up to be an especially nasty one. Data suggest that this year's vaccine might only be 10 percent effective. ( llustrated by Sarah Kaiser. / Flickr-creativecommons ) Produced by Rob Gunther Hosted by Todd Zwillich Produced by PRI and WNYC