Hepatitis is a serious illness that can cause severe liver damage. While the exact cause is unknown, it is believed to be triggered by a virus. In most cases, the virus spreads from an infected person to another person. If someone has the virus, they will have a fever, headache, and fatigue. These symptoms will gradually get better over time, but may continue for several months after the initial infection. 

The Guide has been created by experts from the National Institute of Health and the medical community. It provides a comprehensive guide to the disease. It is intended for patients, caretakers, and health care professionals.