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How effective is the HPV vaccine?

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Gardasil and Cervarix are highly effective in preventing infection with the types of HPV that they target.

Gardasil prevented nearly 100% of the precancerous cervical cell changes caused by the types of HPV targeted by the vaccine for up to four years. Two follow-up studies of Gardasil confirmed these findings. - (Health24, August 2011)

Source: National Cancer Institute

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