Concomitant HPV Vaccination and HPV Screening HPV Infection and Cervical Cancer in Sweden

Inclusion Criteria: * Eligible women will include resident women within the age range of 22-26, who have not opted out of the screening program and who consent to participate in the study. Women who respond to the invitation and attend screening will be screened with HPV testing by the current routine practise. Women who consent to participate will also be offered HPV vaccination. The HPV vaccine (Gardasil 9) will be offered regardless of whether the woman reports having had prior vaccination with a first-generation vaccine (Gardasil 4) and regardless of screening test result. Exclusion Criteria: 1. Known history of severe allergic reaction or hypersensitivity to any of the components of the HPV vaccine.For GARDASIL 9: Amorphous aluminium hydroxyphosphate sulphate adjuvant, Sodium chloride, L-histidine, Polysorbate 80 or Sodium borate 2. Known history of immune-related disorders 3. Current acute severe febrile illness, except for minor infections such as a cold, mild upper respiratory infection or low-grade fever. 4. Administration of immunoglobulin or blood-derived products within 6 months prior to scheduled HPV vaccine first dose 5. Current pregnancy (reported) 6. Women with a total hysterectomy