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Laboratory Testing for Hepatitis A and E



Hepatitis E Diagnosis

Slide 18

September 2008

Diagnosis of Hepatitis E is again confirmed by serologic testing. As you can see from this table, acute Hepatitis A is confirmed by the presence of Hepatitis A-specific IgM antibody whereas past infection is defined by the presence of Hepatitis A-specific IgG antibody. However, a note of caution is needed here because in populations with low prevalence of Hepatitis A infection, such as North America, Hepatitis A IgM results are frequently falsely-positive due to the low positive predictive value of this test in such low-prevalence populations.

Hepatitis E Diagnosis

 


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