GardasilThe FDA Vaccines and Related Biological Products Advisory Committee agreed on the efficacy, immunogenicity and safety data of Merck & Co Inc’s . The clinical trials support the use of GARDASIL [Human Papillomavirus Quadrivalent (Types 6, 11, 16 and 18) Vaccine, Recombinant] for boys and men aged 9 to 26 years for the prevention of genital warts caused by human papillomavirus (HPV) types 6 and 11.