(S (S (BASENP (DT The) (NNP WHO)) (VP (VBZ is) (VP (ADVP (RB now)) (VP (VP (VBG contacting) (BASENP (JJ national) (NNS authorities))) (S (VP (TO to) (VP (VB get) (NP (BASENP (JJR more) (NN data)) (PP (IN on) (BASENP (NN flu) (NN resistance))))))))))) (PERIOD .))