The HPV Vaccine: One of the Most Powerful Tools We Have Against Cancer

If you’ve ever wondered why your OBGYN keeps bringing up the HPV vaccine, whether it was at your own appointment or your child’s pediatrician visit, here’s the short answer: it’s one of the most effective cancer-prevention tools in modern medicine. According to the American College of Obstetricians and Gynecologists (ACOG), the HPV vaccine can reduce the risk of HPV-related cancers and genital warts by up to 99% in people who are vaccinated before they’re exposed to the virus.

What is HPV and Why Does It Matter?

Human papillomavirus (HPV) is extremely common; an estimated 79 million people in the U.S. are currently infected, with about 14 million new infections happening every year. Most infections are transient and clear on their own. But when HPV infection doesn’t clear, it can lead to serious health problems, including:

– Cervical cancer (the most common HPV-associated cancer in women)

– Vaginal, vulvar, and anal cancer

– Oropharyngeal (throat) cancer

– Genital warts

Two high-risk HPV types, 16 and 18, are responsible for the majority of these cancers: roughly 66% of cervical cancers, 60% of oral cancers, and 80% of anal cancers.

What Age Should I Get the HPV Vaccine?

ACOG and the CDC’s Advisory Committee on Immunization Practices recommend routine HPV vaccination at the target age of 11–12 years old, for both girls and boys. It can be given as early as age 9.

If your child (or you) missed that window, there’s still a strong recommendation to catch up:

– Ages 13–26: Vaccination is recommended regardless of sexual activity, prior HPV exposure, or sexual orientation. If you weren’t vaccinated at 11 or 12, this is your catch-up period, and it’s just as important.

– Ages 27–45: The vaccine is FDA-approved through age 45. For this age range, ACOG recommends shared decision-making between you and your provider, factoring in your individual risk of new HPV exposure and whether vaccination would still offer meaningful benefit.

The reason vaccination is emphasized so strongly at younger ages is simple: the vaccine works best when given before a person is exposed to HPV through sexual contact. That said, if you’re older and unvaccinated, it’s still worth a conversation with your provider. You may still benefit.

Why Does the Timing Matter So Much?

Vaccinating early, before exposure, is what allows the vaccine to be up to 97% effective at preventing cervical cancer and precancerous cell changes, and close to 100% effective against external genital warts. Once someone has already been exposed to a particular HPV type, the vaccine can no longer treat or clear that specific infection. This is part of why pediatricians and OBGYNs alike are consistent about recommending vaccination at 11–12, well before most adolescents are exposed.

What Happens If You Don't Get Vaccinated?

Skipping the vaccine doesn’t mean you’ll definitely develop HPV-related cancer, but it does mean you’re relying entirely on your immune system to clear the virus and, in the case of cervical cancer, on regular screening to catch problems early.

Some sobering numbers from ACOG:

– About 13,000 cases of cervical cancer are diagnosed in the U.S. each year, resulting in more than 4,000 deaths.

– Around 300,000 cases of genital warts occur annually.

– Roughly 12,000 cases of HPV-associated oropharyngeal cancer and 7,000 cases of anal cancer occur each year.

One important detail: there is currently no routine screening test for oral or anal cancer, unlike cervical cancer, which is why prevention through vaccination matters even more for those specific cancers.

Despite how effective the vaccine is, HPV vaccination rates in the U.S. remain low. Only about 54% of women and 49% of men in the recommended age groups have completed the full vaccine series. Compared to many other high-income countries, that’s a meaningful gap, and it’s one that translates directly into preventable cancer cases every year.

Common Questions We Hear

“Is the vaccine safe?” Yes. Millions of people worldwide have received the HPV vaccine without serious side effects. It does not contain a live virus, so it cannot cause an HPV infection.

“If I already tested positive for HPV, is it too late?” Not necessarily. Even if you’ve been exposed to one or two HPV types, vaccination is still recommended within the eligible age range because it’s unlikely you’ve been exposed to all the HPV types the vaccine protects against.

“Do I still need cervical cancer screening if I’m vaccinated?” Yes. The vaccine doesn’t replace routine cervical cancer screening (Pap tests and/or HPV tests). Screening should still begin at age 21, regardless of vaccination status or when you became sexually active.

“Is this only relevant for women?” No. HPV-associated cancers in men, including anal and oropharyngeal cancer, are on the rise, which is exactly why vaccination is recommended for boys and men too.

The Bottom Line

The HPV vaccine represents decades of research aimed at preventing cancer before it starts, and it works. Have questions about HPV vaccination for yourself or your child? Talk to your provider at your next visit, or schedule an appointment with North Florida Women’s Care today.

Source:

American College of Obstetricians and Gynecologists (ACOG). “Human Papillomavirus Vaccination,” Committee Opinion No. 809; ACOG Provider FAQ: Human Papillomavirus; ACOG Patient FAQ: HPV Vaccination. https://www.acog.org/clinical/clinical-guidance/committee-opinion/articles/2020/08/human-papillomavirus-vaccination https://www.acog.org/womens-health/faqs/hpv-vaccination

Reviewed by the clinical team at North Florida Women’s Care to ensure accuracy and alignment with current medical guidelines.