Xirmadu waa tallaal degdeg ah oo chromatographic ah oo loogu talagalay ogaanshaha tayada leh ee unugyada difaaca jirka ee IgM ee ka hortagga fayraska Cagaarshowga E (HEV) ee serum/plasma aadanaha si loogu caawiyo ogaanshaha Fayraska Cagaarshowga E.