Update Mexican flu:Figures from the RIVM (National Institute for Public Health and the Environment) show that three quarters of the 663 Dutch patients contracted the Mexican flu virus abroad.
It mainly concerns young people between 15 and 25 years , who were vacationing in Spain, in popular seaside resorts such as Lloret de Mar and Blanes.
Here you will find the answers to the most frequently asked questions about the swine flu>