What are the reasons for a child's ALT level being higher than 1000, and can it be cured?

Patient's question:

No

Doctor's answer:

, ALT over 1000, this situation is likely to be hepatitis A. Hepatitis is a contagious disease, it is possible that you have been infected. You can get tested to determine what type of hepatitis it is. Considering the symptoms, it is likely to be hepatitis A.