(S (S (BASENP (NNP Fukuda)) (VP (VBD said) (SBAR (SBAR (S (NP (BASENP (DT the) (NN vaccine)) (PP (ADVP (RB currently)) (PP (IN in) (NP (BASENP (NN use)) (PP (IN in) (NP (BASENP (QP (DT some) (NN 20)) (NNS countries)) (PP (IN around) (BASENP (DT the) (NN world))))))))) (VP (VBZ remains) (ADJP (JJ effective) (CC and) (JJ safe))))) (CONJP (COMMA ,) (CC and)) (SBAR (IN that) (S (BASENP (DT no) (ADJP (JJ rare) (CC or) (JJ dangerous)) (JJ side) (NNS effects)) (VP (VBP have) (VP (VBN been) (VP (VBN reported))))))))) (PERIOD .))