( ( The vaccine ) ( ( is ( injected ( into ( ( the skin ) ( of ( the ( ( arm or ) thigh ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN vaccine)) (VP (VBZ is) (VP (VBN injected) (PP (IN into) (NP (NP (DT the) (NN skin)) (PP (IN of) (NP (DT the) (NN arm) (CC or) (NN thigh))))))) (. .)))
The vaccine is injected into the skin of the arm or thigh.
(ROOT (S (NP (NNP Vaccine)) (VP (VBZ is) (NP (NP (DT a) (JJ preventative) (NN measure)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADVP (RB often)) (VP (VBN delivered) (PP (IN by) (NP (NN injection))) (PP (IN into) (NP (DT the) (NN arm))))))))) (. .)))