Table 1.

Definitions of HEV Infection Status per Testing Protocol

Posttransplantation Specimen
Pretransplantation Specimen
HEV Infection StatusPCRIgGIgMPCRIgGIgM
Active InfectionPOS+/−+/−NTNTNT
Acute/Recent Infectiona (IgM)NEG+/−POSNEGNEGNEG
Acute/Recent Infectiona (Seroconversion)NEGPOSNEGNEGNEGNEG
Past InfectionNEGPOSNEG+/−POS+/−
Posttransplantation Specimen
Pretransplantation Specimen
HEV Infection StatusPCRIgGIgMPCRIgGIgM
Active InfectionPOS+/−+/−NTNTNT
Acute/Recent Infectiona (IgM)NEG+/−POSNEGNEGNEG
Acute/Recent Infectiona (Seroconversion)NEGPOSNEGNEGNEGNEG
Past InfectionNEGPOSNEG+/−POS+/−

Abbreviations: HEV, hepatitis E virus; Ig, immunoglobulin; NEG, negative; NT, not tested; PCR, polymerase chain reaction; POS, positive.

a The term “acute/recent” here refers to HEV infection after transplantation.

Table 1.

Definitions of HEV Infection Status per Testing Protocol

Posttransplantation Specimen
Pretransplantation Specimen
HEV Infection StatusPCRIgGIgMPCRIgGIgM
Active InfectionPOS+/−+/−NTNTNT
Acute/Recent Infectiona (IgM)NEG+/−POSNEGNEGNEG
Acute/Recent Infectiona (Seroconversion)NEGPOSNEGNEGNEGNEG
Past InfectionNEGPOSNEG+/−POS+/−
Posttransplantation Specimen
Pretransplantation Specimen
HEV Infection StatusPCRIgGIgMPCRIgGIgM
Active InfectionPOS+/−+/−NTNTNT
Acute/Recent Infectiona (IgM)NEG+/−POSNEGNEGNEG
Acute/Recent Infectiona (Seroconversion)NEGPOSNEGNEGNEGNEG
Past InfectionNEGPOSNEG+/−POS+/−

Abbreviations: HEV, hepatitis E virus; Ig, immunoglobulin; NEG, negative; NT, not tested; PCR, polymerase chain reaction; POS, positive.

a The term “acute/recent” here refers to HEV infection after transplantation.

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