ECDC and WHO have also set up a surveillance system based on the case definition, which is, “A person presenting with acute hepatitis (non-HepA-E) with serum aminotransferases >500 IU/L (AST or ALT), who is 16 years and younger, since 1st October 2021.” [7] According to the surveillance system, cases similar to the case definition should be reported to the European Surveillance System (TESSy) [9]. This evidence concerns the gene GPT and Acute hepatitis.