Health Canada approved Gardasil to prevent infection caused by human papilloma virus Types six, 11, 16, and 18 and genital warts caused by HPV types six and 11.
HPV is the most common sexually transmitted infection in Canada, said Merck, the vaccine's manufacturer.
In 2006, Health Canada approved Gardasil to prevent cervical cancer and genital warts in females aged nine to 26. All provinces and territories now offer school-based programs using Gardasil, which works best if given to females before they become sexually active.




