A terrific mashup of public health information. It demonstrates not just the power of mashups but also how, once a mashup is designed and set up, it can use automated news feeds to update itself on demand.From their description: "EpiSPIDER (Semantic Processing and Integration of Distributed Electronic Resources) is an application that integrates disparate electronic resources like news wires, RSS feeds and mailing lists to provide an integrated view of reported health events.