 Intervention: Starting from September 2009 all girls aged 12 years will be offered a HPV vaccination via the National Vaccination Program. Prior to this, a national campaign will be started in March 2009 to vaccinate all girls aged 13-17 years at once.We will use this national vaccination campaign as an opportunity to analyze the serological response and safety of this vaccine in a large group of with an immune system disorder. The vaccines are administered by our national health organisation. The effects are monitored in our clinics. 