GPT and infection: Subsequently, the regulators HDOH, CDC, and FDA defined a case as acute hepatitis of unknown etiology, occurring after 31 March 2013, in a person who had consumed a DS within the previous 60 days and had a serum alanine aminotransferase (ALT) four times the upper limit of normal (N) and a total bilirubin level greater than or equal to 2N; negative serologies for infections including viral hepatitis were mandatory [3].