Merck manufactures the HPV vaccine and sells it for $360 ($120 per shot in a three-shot series). Its package insert explains the limitations of the vaccine and describes its testing for safety and efficacy.<ref>http://www.merck.com/product/usa/pi_circulars/g/gardasil/gardasil_pi.pdf</ref> | Merck manufactures the HPV vaccine and sells it for $360 ($120 per shot in a three-shot series). Its package insert explains the limitations of the vaccine and describes its testing for safety and efficacy.<ref>http://www.merck.com/product/usa/pi_circulars/g/gardasil/gardasil_pi.pdf</ref> |