The Influenza Data Summary: A Prototype Application for Visualizing National Influenza Activity. - Michelle N. Podgornik; Alicia Postema; Roseanne English; Kristin B. Uhde; Steve Bloom; Peter Hicks; Paul McMurray; John Copeland; Lynnette Brammer; William W. Thompson; Joseph S. Bresee; Jerome I. Tokars (BioSurveillance, 2007)