Viral hepatitis can be confirmed for infection through tests such as hepatitis B "two and a half pairs," hepatitis A antibodies, hepatitis C antibodies, and hepatitis E antibodies. By using the hepatitis B "two and a half pairs" test to look for the hepatitis B surface antigen, if the surface antigen is positive, it indicates infection with the hepatitis B virus. The hepatitis A antibody test primarily assesses for hepatitis A antibody IGM; if this is positive, it suggests an active infection. Through the hepatitis C antibody test, if positive, further testing for hepatitis C virus RNA can be conducted. The hepatitis E antibody test mainly looks at hepatitis E antibody IGM, and the interpretation should be based on the specific circumstances.