GPT and hepatitis A virus infection: The IA phase is characterized by hepatitis, LF, and fluctuatingserum alanine aminotransferase (ALT) and viremia (9, 10), renamed HBeAg-positiveCHB, which is considered to be a more accurate description of the phase’scharacteristics, by the European Association for the Study of the Liver (EASL)(11, 12).