( ( Despite ( advances ( in ( ( ( vaccination and ) prevention ) ( of ( viral diseases ) ) ) ) ) ) ( , ( it ( ( is ( estimated ( that ( ( in ( the 1980s ) ) ( ( a child ) ( ( died ( ( approximately ( every six ) ) seconds ) ) ( from ( diarrhea ( confirmed ( by WHO ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Despite) (NP (NP (NNS advances)) (PP (IN in) (NP (NP (NN vaccination) (CC and) (NN prevention)) (PP (IN of) (NP (JJ viral) (NNS diseases))))))) (, ,) (NP (PRP it)) (VP (VBZ is) (VP (VBN estimated) (SBAR (IN that) (S (PP (IN in) (NP (DT the) (NNS 1980s))) (NP (DT a) (NN child)) (VP (VBD died) (NP (QP (RB approximately) (DT every) (CD six)) (NNS seconds)) (PP (IN from) (NP (NP (NN diarrhea)) (VP (VBN confirmed) (WHPP (IN by) (WHNP (WP WHO))))))))))) (. .)))
Despite advances in vaccination and prevention of viral diseases, it is estimated that in the 1980s a child died approximately every six seconds from diarrhea confirmed by WHO.
(ROOT (S (NP (NNP Vaccination)) (VP (MD can) (VP (VB protect) (NP (RB even) (JJ young) (NNS children)) (PP (IN against) (NP (NP (NNS diseases)) (PP (JJ such) (IN as) (NP (JJ viral) (NNS meningitis))))))) (. .)))