These strains of HPV are [[sexually transmitted diseases]] that are endemic among [[promiscuity|promiscuous]] people and have been associated with 70% of cervical cancer cases. They may also play a role in the development of other types of cancer <ref>[http://www.cancer.gov/cancertopics/factsheet/Risk/HPV]</ref>. In June 2006, the U.S. [[Food and Drug Administration]] approved the first HPV vaccine without reviewing any epidemiological studies and monitoring for only a brief period the elevated [[antibody]] levels in recipients of the vaccine.<ref> http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm</ref> | These strains of HPV are [[sexually transmitted diseases]] that are endemic among [[promiscuity|promiscuous]] people and have been associated with 70% of cervical cancer cases. They may also play a role in the development of other types of cancer <ref>[http://www.cancer.gov/cancertopics/factsheet/Risk/HPV]</ref>. In June 2006, the U.S. [[Food and Drug Administration]] approved the first HPV vaccine without reviewing any epidemiological studies and monitoring for only a brief period the elevated [[antibody]] levels in recipients of the vaccine.<ref> http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm</ref> |