( ( ( ( ( Gardasil ( -LRB- ( ( ( Merck & ) Co. ) -RRB- ) ) ) , ) ( also ( known ( as ( ( ( ( Gardisil or ) Silgard ) or ) ( ( recombinant ( human papillomavirus ) ) ( ( ( ( ( ( ( vaccine 6 ) , ) 11 ) , ) 16 ) , ) 18 ) ) ) ) ) ) ) , ) ( ( is ( ( a vaccine ) ( for ( use ( in ( ( the prevention ) ( of ( ( certain strains ) ( of ( ( ( human papillomavirus ) ( -LRB- ( HPV -RRB- ) ) ) ( , ( specifically ( HPV ( types ( 6 ( , ( 11 ( , ( ( 16 and ) 18 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (NNP Gardasil)) (PRN (-LRB- -LRB-) (NP (NNP Merck) (CC &) (NNP Co.)) (-RRB- -RRB-))) (, ,) (VP (ADVP (RB also)) (VBN known) (PP (IN as) (NP (NP (NNP Gardisil) (CC or) (NNP Silgard)) (CC or) (NP (NP (JJ recombinant) (JJ human) (NNS papillomavirus)) (NP (NNP vaccine) (CD 6) (, ,) (CD 11) (, ,) (CD 16) (, ,) (CD 18)))))) (, ,)) (VP (VBZ is) (NP (NP (DT a) (NN vaccine)) (PP (IN for) (NP (NP (NN use)) (PP (IN in) (NP (NP (DT the) (NN prevention)) (PP (IN of) (NP (NP (JJ certain) (NNS strains)) (PP (IN of) (NP (NP (NP (JJ human) (NNS papillomavirus)) (PRN (-LRB- -LRB-) (NP (NNP HPV)) (-RRB- -RRB-))) (PRN (, ,) (ADVP (RB specifically)) (ADVP (RB HPV)) (ADJP (JJ types) (NP (CD 6) (, ,) (CD 11) (, ,) (CD 16) (CC and) (CD 18)))))))))))))) (. .)))
Gardasil (Merck & Co.), also known as Gardisil or Silgard or recombinant human papillomavirus vaccine 6, 11, 16, 18, is a vaccine for use in the prevention of certain strains of human papillomavirus (HPV), specifically HPV types 6, 11, 16 and 18.
(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))))))))) (. .)))