HPV Vaccine Recommendations
Routinely vaccinate all children at age 11-12 years (can start at age 9), ensure catch-up vaccination for everyone through age 26, and do NOT vaccinate pregnant patients. 1
Age-Based Vaccination Strategy
Ages 9-26 Years: Universal Recommendation
- Start at age 11-12 years as the optimal time for routine vaccination 1
- Vaccination can begin as early as age 9 years 1
- All persons through age 26 who are inadequately vaccinated should receive catch-up vaccination - this is a firm recommendation, not optional 1
- This applies regardless of sex, sexual history, or behavioral risk factors 1
Ages 27-45 Years: Shared Clinical Decision-Making Only
- Catch-up vaccination is NOT routinely recommended for adults over age 26 1
- For ages 27-45, use shared clinical decision-making for select individuals who may benefit 1
- The rationale: reduced effectiveness due to prior HPV exposure and limited cancer prevention potential at these ages 1
- HPV vaccines are not licensed for use in adults over age 45 1
The evidence strongly supports that vaccination effectiveness decreases substantially after the early 20s due to cumulative HPV exposure 1. Recent research confirms that routine vaccination beyond age 26 provides minimal population-level benefit 2.
Dosing Schedule
Two-Dose Schedule (Preferred for younger ages)
- Ages 9-14 years: Give 2 doses at 0 and 6-12 months 3
- Minimum interval: 24 weeks between first and last dose 4
Three-Dose Schedule
- Ages 15-26 years: Give 3 doses at 0,1-2, and 6 months 1
- All immunocompromised persons regardless of age: Give 3 doses 3, 5
- HIV-infected persons regardless of CD4 count: Give 3 doses 6, 5
Recent Canadian guidance supports even a 1-dose schedule for ages 9-20 7, though US guidelines have not yet adopted this approach.
Contraindications and Special Populations
Pregnancy: Absolute Contraindication
- HPV vaccination is NOT recommended during pregnancy 6, 1
- Delay vaccination until after pregnancy 1
- However, pregnancy testing is NOT required before vaccination 1
- If inadvertently given during pregnancy, no intervention is needed - just complete the series postpartum
Breastfeeding: Safe to Administer
- Persons who are breastfeeding or lactating CAN receive HPV vaccine 1
Immunocompromised Populations
- Always use 3-dose schedule for solid organ transplant, end-stage renal disease, hematopoietic stem cell transplant, systemic lupus erythematosus, and HIV infection 5
- Vaccinate before transplant or immunosuppressive therapy when possible 5
- For hematopoietic stem cell transplant recipients, readminister the complete vaccine series post-transplant 5
Key Clinical Pearls
No Pre-Vaccination Testing
- Do NOT perform Pap testing, HPV testing, or serologic testing before vaccination 1
- Prior HPV exposure or abnormal cervical screening does not preclude vaccination benefit
Cervical Cancer Screening Continues
- HPV vaccination does NOT change cervical cancer screening recommendations 1
- Vaccinated individuals still require routine screening per standard guidelines
Common Pitfall to Avoid
The most critical error is failing to vaccinate adolescents at the recommended age of 11-12 years. Delaying until sexual debut significantly reduces vaccine effectiveness. The vaccine works best when given before any HPV exposure, which is why the routine age is set at 11-12 years, not when patients become sexually active 1.
Another pitfall: unnecessarily withholding vaccination from ages 22-26 based on outdated guidance. Current recommendations firmly support catch-up vaccination through age 26 for all inadequately vaccinated persons 1.