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Elizabeth Boskey, Ph.D.

HPV Around The World

By October 25, 2010

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Scientists recently examined tissue samples from more than 10,000 women with cervical cancer to determine what types of HPV were most common around the world. They discovered that HPV 16, 18, and 45 could be found in 94 percent of HPV positive samples. HPV 16 and 18 alone were found in 71 percent of samples, which is important since these are the two cancer causing varieties covered by the HPV vaccines Cervarix and Gardasil. HPV types 33, 31, 52, 58, and 35 were the next five most common types of virus found, and their prevalence varied by region.

This study also confirmed the fact that cervical cancers caused by types 16 and 18 tend to occur in younger women than cancers caused by other HPV types, and a similar age association was also seen for type 45. This data could prove incredibly useful as future HPV vaccines are developed, since the study clarifies both that the current targets seem to be ideal for preventing cancer in young women and identifies new targets for research.

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