The International Journal of Health Geographics has a series of tutorials and educational articles relating to the use of Web GIS.  The Web GIS in Practice series includes:

• Web GIS in practice VI: a demo playlist of geo-mashups for public health neogeographers
• Web GIS in practice V: 3-D interactive and real-time mapping in Second Live
• Web GIS in practice IV: publishing your health maps and connecting to remote WMS sources using the Open Source UMN MapServer and DM Solutions MapLab
• Web GIS in practice III: creating a simple interactive map of England’s Strategic Health Authorities using Google Maps API, Google Earth KML, and MSN Virtual Earth Map Control
• Web GIS in practice II: interactive SVG maps of diagnoses of sexually transmitted diseases by Primary Care Trust in London, 1997 – 2003
• Web GIS in practice: an interactive geographical interface to English Primary Care Trust performance ratings for 2003 and 2004