Primary prevention
HPV vaccination of girls (and boys) at 9-14, one or two doses per WHO; catch-up to 26 (US label to 45). In Sweden, vaccination before age 17 cut invasive cancer by about 88%.
Vaccines that prevent the viral infections behind cervical, throat, anal, and liver cancers. The most effective anti-cancer intervention ever created.
- Prevents cancer outright
- Cheap at scale
A vaccine against nine HPV types that prevents about 90% of cervical cancers, and now works with a single dose.
- Kenyan women aged 15-20: single dose of bivalent or nonavalent HPV vaccine vs meningococcal control, endpoint persistent HPV16/18 infection
Single-dose efficacy 97.5% against persistent HPV16/18.
Vaccine efficacy against persistent HPV16/18 infection (%): Single dose nonavalent HPV 97.5 · source
- Coverage gaps, vaccine hesitancy
| Side effect | Any grade | Grade 3+ |
|---|---|---|
| Injection-site pain · Girls and women aged 16-26, within 5 days of any dose (Study 1), US label; 89.3% in girls aged 9-15 | 89.9% | - |
Rates from the label or pivotal trial as recorded on the product page; each grade 3+ figure links to its source.
- Between HPV & HBV vaccination and Nonavalent HPV vaccine, which do you recommend for me, and what about my case would make you choose differently?Why: Guidelines list several reasonable options; the choice turns on details of your tumour, your health and your priorities.
- What is each option trying to achieve: cure, long control, or relief of symptoms, and over what time?Why: The aim shapes how much side effect and disruption is worth accepting.
- How closely do I match the people in KEN SHE (single-dose HPV vaccine), and does that change what the results mean for me?Why: Trial populations are selected; age, fitness, prior treatment and biomarkers all affect how far results carry.
- Which side effects of Nonavalent HPV vaccine are most likely for me, which are reversible, and which would make us stop?Why: The recorded rates below come from labels and trials; your own risk depends on dose, other medicines and your health.
- What happens if I delay, or decline this step for now? Is the decision reversible?Why: Some decisions can wait for a second opinion or a trial slot; others cannot. Knowing which is part of the choice.
- Does your recommendation follow the current guideline, and if it departs from it, why?Why: Departures from guidelines are sometimes right for an individual; they should be explained.
- For my situation (primary prevention), which of the standard options do you recommend and why?Why: Guideline options include: HPV vaccination of girls (and boys) at 9-14, one or two doses per WHO; catch-up to 26 (US label to 45). In Sweden, vaccination before age 17 cut invasive cancer by about 88%.
- Am I a candidate for Nonavalent HPV vaccine, and what side effects should I expect?Why: Knowing the expected toxicities helps you plan work, family, and supportive care.
- How do the results of KEN SHE (single-dose HPV vaccine) apply to someone like me?Why: Trial populations differ from individual patients; ask how closely you match.
Add these to your appointment list, or take the full question set for this cancer.