原文
neonatalhepatitis
whatisneonatalhepatitis?
neonatalhepatitisisaninflammationoftheliverthatoccursinearlyinfancy,usuallyonetotwomonthsafterbirth.about20percentofinfantswhodevelopneonatalhepatitiswereinfectedwithaviruscausinginflammationofthelivereitherbeforebirththroughtheirmother,orshortlyafterbirth.viruseswhichcancauseneonatalhepatitisininfantsincludecytomegalovirus,rubella（measles）,andhepatitisa,bandc.intheremaining80percentofaffectedinfants,nospecificcausecanbeidentified,butmanyexpertssuspectavirusistoblame.
whatarethesymptomsofneonatalhepatitis?
