The Norwegian Institute of Public Health shall enter into an agreement regarding the purchase of a combination vaccine for the diseases: diphtheria, whooping cough, tetanus, polio, Hib and hepatitis B (a 6 component vaccine), for the National Vaccine Programme. The 6 component vaccine shall replace the current 5 component vaccine (diphtheria, whooping cough, tetanus, polio and Hib) and partly vaccine against hepatitis B for defined risk groups. The procurement is carried out on behalf of the Norwegian Institute of Public Health (HOD).