( ( In ( September 2012 ) ) ( , ( Gardasil ( ( ( ( replaced Cervarix ) ( as ( ( the ( HPV vaccination ) ) ( of choice ) ) ) ) ( due ( to ( ( its ( added protection ) ) ( against ( genital warts ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NNP September) (CD 2012))) (, ,) (NP (NNP Gardasil)) (VP (VBD replaced) (NP (NNP Cervarix)) (PP (IN as) (NP (NP (DT the) (NNP HPV) (NN vaccination)) (PP (IN of) (NP (NN choice))))) (PP (JJ due) (TO to) (NP (NP (PRP$ its) (VBN added) (NN protection)) (PP (IN against) (NP (JJ genital) (NNS warts)))))) (. .)))
In September 2012, Gardasil replaced Cervarix as the HPV vaccination of choice due to its added protection against genital warts.
(ROOT (S (NP (NNP Gardasil)) (VP (VBZ is) (NP (DT the) (NN vaccine) (S (VP (TO to) (VP (VB prevent) (NP (NP (NN infection)) (PP (IN of) (NP (NN hpv))))))))) (. .)))