|The Import Wizard now reads shapefiles.|
Below is an example looking at clusters of low immunization rates in California from the journal Pediatrics. Free full-text: http://pediatrics.aappublications.org/content/135/2/280.full.pdf+html
|In SaTScan, using lat/long coordinates, allows users to export to *.kml and *.shp.|
Google Earth opens the *.kml automatically when a run is complete.
Update #1 (2/20/15)
Scan statistics can also be implemented in R's Spatial Epi Package and rsatscan.