These strains of HPV are [[sexually transmitted diseases]] endemic among [[promiscuous]] people, with 80% of those who have sex outside of marriage suffering from the disease.<ref>http://www.hopkinsmedicine.org/hnf/hnf_6403.htm</ref> These strains of HPV have been associated with 70% of cervical cancer cases and 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 merely monitoring for a brief period 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]] endemic among [[promiscuous]] people, with 80% of those who have sex outside of marriage suffering from the disease.<ref>http://www.hopkinsmedicine.org/hnf/hnf_6403.htm</ref> These strains of HPV have been associated with 70% of cervical cancer cases and 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 merely monitoring for a brief period elevated [[antibody]] levels in recipients of the vaccine.<ref> http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm</ref> |