Acute hepatitis C is defined by the presence of any symptom of acute viral hepatitis plus either jaundice or elevated serum alanine aminotransferase (ALT) activity with the serologic presence of the anti-HCV antibody, HCV RNA, or the presence of hepatitis C viral antigen(s) (the HCV antigen) in the first 6 months after HCV infection [2]. Here, GPT is linked to infection.