Only two doses of HPV vaccines for US teens, new CDC recommendations say

The US Centers for Disease Control and Prevention (CDC) has released a new recommendation for 11- to 12-year-old teens receiving human papillomavirus (HPV) vaccines. According to the new recommendations, teens aged 11 to 12 will now receive only two doses of HPV vaccine at least six months apart rather than the previously recommended three doses to protect against cancers caused by HPV infections.

Teens and young adults who start the series later, at ages 15 through 26 years, will continue to need three doses of HPV vaccine to protect against cancer-causing HPV infection.

“Safe, effective, and long-lasting protection against HPV cancers with two visits instead of three means more Americans will be protected from cancer,” said CDC Director Tom Frieden, M.D., M.P.H. “This recommendation will make it simpler for parents to get their children protected in time.”

The two-dose HPV vaccine recommendation for young adolescents was voted on by the Advisory Committee on Immunization Practices (ACIP).

ACIP is a panel of experts that advises the CDC on vaccine recommendations in the US. CDC Director Frieden approved the committee’s recommendations shortly after the vote.  ACIP recommendations approved by the CDC Director become agency guidelines on the date published in the Morbidity and Mortality Weekly Report (MMWR).

After a thorough review of studies over several meetings, the CDC and ACIP then made the recommendation. They reviewed data from clinical trials showing two doses of HPV vaccine in younger adolescents (aged 9-14 years) produced an immune response similar or higher than the response in young adults (aged 16-26 years) who received three doses.

Generally, preteens receive HPV vaccine at the same time as whooping cough and meningitis vaccines. Two doses of HPV vaccine given at least six months apart at ages 11 and 12 years will provide safe, effective, and long-lasting protection against HPV cancers. Adolescents ages 13-14 are also able to receive HPV vaccination on the new 2-dose schedule.

CDC will provide guidance to parents, healthcare professionals, and insurers on the change in recommendation.

Earlier this month, the US Food and Drug Administration (US FDA) approved adding a 2-dose schedule for 9-valent HPV vaccine (Gardasil 9) for adolescents aged 9 to 14. CDC encourages clinicians to begin implementing the 2-dose schedule in their practice to protect their preteen patients from HPV cancers.

ACIP, CDC, FDA and partners monitor vaccines in use in the US year-round. These updated recommendations are an example of using the latest available evidence to provide the best possible protection against serious diseases.

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