( ( A ( human pathogen ) ) ( ( is ( ( ( a pathogen ) ( -LRB- ( ( ( ( microbe or ) microorganism ) ( such ( as ( ( ( a virus ) , ) ( bacterium ( , ( prion ( , ( or fungus ) ) ) ) ) ) ) ) ) -RRB- ) ) ) ( that ( causes ( disease ( in humans ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ human) (NN pathogen)) (VP (VBZ is) (NP (NP (DT a) (NN pathogen)) (PRN (-LRB- -LRB-) (NP (NP (NN microbe) (CC or) (NN microorganism)) (PP (JJ such) (IN as) (NP (NP (DT a) (NN virus)) (, ,) (NP (NN bacterium) (, ,) (NN prion) (, ,) (CC or) (NN fungus))))) (-RRB- -RRB-)) (SBAR (WHNP (WDT that)) (S (VP (VBZ causes) (NP (NP (NN disease)) (PP (IN in) (NP (NNS humans))))))))) (. .)))
A human pathogen is a pathogen (microbe or microorganism such as a virus, bacterium, prion, or fungus) that causes disease in humans.
(ROOT (S (NP (NNS Pathogens)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ disease-causing) (NNS agents))) (, ,) (PP (JJ such) (IN as) (NP (NNS bacteria) (CC and) (NNS viruses))))) (. .)))