Different types of this disease (A, B, C) cause different types of viruses, they have differences in transmission routes, clinic and flow.
Imihlobo ehlukeneko isifo (A, B, C) kubangele izinhlobo ezahlukene amagciwane, banayo umehluko ezindleleni ukudluliswa, ukubonakaliswa emitholampilo Yiqiniso.