Nederlands Vaccin Instituut (NVI)- THE NETHERLANDS
Institut Scientifique De Sante Publique "Pasteur" (IPH) - BELGIUM
Statens Serum Institut (SSI) - DENMARK
Kansanterveyslaitos (KTL) - FINLAND
Nasjonalt Folkehelseinstituttet (FHI) - NORWAY
Panstwowy Zaklad Higieny (PZH) - POLAND
Institut Za Varovanje Zdravja (IVZ) - SLOVENIA
Smittskyddinstitutet (SMI) - SWEDEN
Health Protection Agency (HPA) - UNITED KINGDOM