Q: Why are two doses recommended for 9–14 year olds, while older adolescents need three doses? A: Since 2006, HPV vaccines have been recommended in a three-dose series given over six months.
In this way, how long is the Gardasil vaccine good for?
Currently, it appears that the vaccines protect against HPV for at least 6 years. Studies suggest that the vaccines are effective at providing long-lasting protection. Additional studies need to be done to see how long vaccinated people remain immune and whether booster shots are needed.
How many HPV shots do you need?
The HPV vaccine that you most likely received two years ago protects against two different strains of virus that cause cervical cancer and two others that cause genital warts. The vaccine schedule calls for three shots spread out over the course of six or more months to help maximize immunity.
How many Gardasil injections do you need?
GARDASIL 9 does not treat cancer or genital warts. GARDASIL 9 is a shot that is usually given in the arm muscle. GARDASIL 9 may be given as 2 or 3 shots.