The vaccine helps protect against various strains of human papilloma virus (HPV) which are associated with most cases of cervical cancer. This helps in preventing cervical, vulvar, anal, oropharyngeal and other head and neck cancers caused by Human Papilloma Virus. Frequency of shots: If given at age 9-14, can be given using a 2-dose or 3-dose schedule 2 dose schedule: 2nd shot is given 6-12 months after the first shot 3 dose schedule: 2nd shot is given 2 months after the first shot, 3rd shot given 6 months after the 1st shot If given at age 15-45, given using a 3-dose schedule 2nd shot should be given 2 months after the first shot and the 3rf shot should be given 6 months after the 1st shot Who can use this: The HPV vaccine is routinely recommended for girls and boys ages 9-12. It is ideal for girls and boys to receive the vaccine before they have sexual contact and are exposed to HPV. Cervarix - 10 years and above Gardasil 4&9 - 9 years and above (females), 10 years and above (males)