Changes

The '''HPV vaccine''' is a product developed by [[Merck]] under the brand name Gardasil, and it protects against a few strains of a sexually transmitted disease.  Specifically, this vaccine protects against types 6, 11, 16 and 18 of the human papillomavirus  

The '''HPV vaccine''' ('''Gardasil''') is a product developed by [[Merck]] which protects against a few strains of a sexually transmitted disease.  Specifically, this vaccine protects against types 6, 11, 16 and 18 of the human papillomavirus  

(HPV), which is transmitted only by sexual contact with a partner.  Genital warts are most commonly associated with HPV–6 and HPV–11. HPV types 16 and 18 together are found in about 70 percent of cervical cancers. <ref>National Cancer Institute:  Human Papillomaviruses and Cancer: Questions and Answers [http://www.cancer.gov/cancertopics/factsheet/Risk/HPV]</ref>

(HPV), which is transmitted only by sexual contact with a partner.  Genital warts are most commonly associated with HPV–6 and HPV–11. HPV types 16 and 18 together are found in about 70 percent of cervical cancers. <ref>National Cancer Institute:  Human Papillomaviruses and Cancer: Questions and Answers [http://www.cancer.gov/cancertopics/factsheet/Risk/HPV]</ref>