cerebrospinal fluids ( csfs ) and sera from 20 patients with echovirus 30 ( e 30 ) meningitis , 4 patients with enterovirus 71 ( ev 71 ) meningitis , and 5 patients with acute aseptic meningitis ( am ) of unknown etiology were investigated at the acute and the convalescent phases of the disease to elucidate the roles of neutralizing antibody ( nt ) and interferon-alpha ( ifn-alpha ) in the central nervous system ( cns ) in cases of am in humans .
C0025289
meningitis
C0025290
am