(S (S (PP (IN In) (BASENP (JJ severe) (NNS cases))) (COMMA ,) (S (BASENP (NN fluid)) (VP (MD may) (VP (VP (VB accumulate) (PP (IN in) (BASENP (DT the) (NN brain)))) (CONJP (COMMA ,) (CC and)) (VP (VB result) (PP (IN in) (NP (NP (NP (NP (BASENP (NN meningitis)) (COMMA ,) (BASENP (NN encephalitis))) (COMMA ,) (BASENP (JJ pulmonary) (NN edema))) (COMMA ,) (BASENP (NN paralysis))) (CC and) (BASENP (NN death))))))))) (PERIOD .))