analysis of the evolution of igg and igm elisa titers revealed 24 cases of rotaviral disease ( serological response and diarrhea ) , 13 cases of asymptomatic infection ( serological response and no diarrhea ) , 36 cases of virus carriage ( absence of a serological response ) , three cases of past infection , and six possible cases of nosocomial infection .
C0275522
asymptomatic infection
C0009450
infection