( ( ( Epstein-Barr virus ) ( -LRB- ( EBV -RRB- ) ) ) ( ( ( infection ( in ( PEL displays ) ) ) ( ( a latency ) ( I phenotype ) ) ) . ) )
(ROOT (S (NP (NP (JJ Epstein-Barr) (NN virus)) (PRN (-LRB- -LRB-) (NP (NNP EBV)) (-RRB- -RRB-))) (VP (VBD infection) (PP (IN in) (NP (NNP PEL) (NNS displays))) (NP (NP (DT a) (NN latency)) (SBAR (S (NP (PRP I)) (VP (VBP phenotype)))))) (. .)))
Epstein-Barr virus (EBV) infection in PEL displays a latency I phenotype.
(ROOT (S (PP (IN After) (S (VP (VBG infecting) (NP (DT a) (NN host))))) (, ,) (NP (DT some) (NNS viruses)) (VP (VBP enter) (NP (NP (DT the) (JJ inactive) (NN state)) (PP (IN of) (NP (NN latency))))) (. .)))