People have always travelled within Europe for work and leisure, although never before with the current intensity. Now, however, they are travelling for many other reasons, including the quest for key services such as health care. Whatever the reason for travelling, one question they ask is s 27 Member States. The picture it paints is mixed. Some have well developed systems, setting standards based on the best available evidence, monitoring the care provided, and taking action where it falls short. Others need to overcome significant obstacles.