abdominal discomfort; adult; ammonia blood level; anorexia; bed rest; bilirubin blood level; case report; cholestasis/dt [Drug Therapy]; cholestatic hepatitis; clinical article; clinical examination; coronavirus disease 2019; dehydration; diarrhea; disease classification; fatigue; fever; hepatic encephalopathy; hepatitis A/dt [Drug Therapy]; hepatitis A/pc [Prevention]; Hepatitis A virus; hepatomegaly; human; jaundice; lethargy; liver cell damage; liver failure; male; middle aged; nausea; pruritus/dt [Drug Therapy]; pruritus/th [Therapy]; review; tachycardia; ultraviolet phototherapy; virus transmission; vomiting; young adult; ammonia/ec [Endogenous Compound]; bilirubin/ec [Endogenous Compound]; colestyramine/dt [Drug Therapy]; hepatitis A vaccine/dt [Drug Therapy]; immunoglobulin M/ec [Endogenous Compound]; ursodeoxycholic acid/dt [Drug Therapy]; hepatitis A virus test kit; SARS coronavirus 2 test kit