Rhiza Labs has launched Flu Tracker to enable people to clearly track the progress of H1N1 Swine Flu. On the site you can see news stories about the flu and maps based on the data of Henry L Niman. The maps show the number of Suspected, Confirmed and Fatal Cases by country:
They also show the data by state with the ability to drilldown to a city, like this map of the Seattle area shows:
You can interact with this map or add other data on their site. The data is available for download as RSS, KML, and other formats.
These maps are just snapshots of the current state. You’ll have to watch them over the next couple of days to get your own feel for how fast the Swine Flu is spreading.