(S (S (NP (BASENP (DT The) (NNP World) (NNP Health) (NNP Organization)) (PRN (LRB -LRB-) (BASENP (NNP WHO)) (RRB -RRB-))) (VP (VP (VBD announced) (BASENP (NNP Wednesday))) (SBAR (IN that) (S (NP (NP (NP (BASENP (DT an) (NN outbreak)) (PP (IN of) (BASENP (JJ viral) (JJ hemorrhagic) (NN fever)))) (PRN (COMMA ,) (VP (VBN caused) (PP (IN by) (BASENP (NNP Marburg) (NN virus)))) (COMMA ,))) (PP (IN in) (BASENP (NNP Angola)))) (VP (VBZ has) (VP (VBN claimed) (NP (BASENP (DT the) (NNS lives)) (PP (IN of) (BASENP (NN 311) (NNPS Angolans)))))))))) (PERIOD .))