The Food and Drug Administration today approved the first vaccine that protects against the viruses known to cause 70 percent of cervical cancers. In a two-year study of more than 12,000 women, Gardasil was shown to be highly effective as an immunization for girls and women ages nine to 26.

The vaccine was found to be 100 percent effective against four types of human papillomavirus that are responsible for about 70 percent of cervical cancer cases, and others that cause 90 percent of genital wart cases. (HealthDay)

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