"Reactive" means positive and "immunity" depends on antibody levels. Your vaccination status is promising. 

The liver is swollen due to an infection in the intestine, a severe condition. Symptoms include stomach pain, tiredness, yellow skin (jaundice), and fever. The causes are viruses and bacteria. To help, the doctor prescribed medications for the infections and suggested a special diet to support the liver. Following a doctor's advice carefully is crucial for proper treatment.

It could be 2-4 weeks.

You have been through the Parkinson's disease process wherein a certain organization inside your body controls such functions as movement and balance. The ultrasound results indicate that you have experienced a harmless fatty liver change which happens due to various reasons like being overweight or having diabetes. Healthy lifestyle choices such as eating a balanced diet and exercising regularly can help reduce this. 

Black jaundice, also known as hepatitis E, can make your skin and eyes turn yellow. It can lead to weariness, fever, and haul of the belly. This is due to the liver getting sick from a particular virus. To get better, sleep a lot, drink only clean water, and consume proper foods. Don't use alcohol and don't eat fatty foods. Your body will be able to destroy the virus in a few weeks.

Having jaundice for 7 years is not usual. Jaundice is when your eyes and skin turn yellow. This occurs when your liver does not work well. Infections, liver problems, or blocked bile ducts can cause it. Tests will be required to know what is causing it. After knowing the cause, treatment will be given to make your liver work better and reduce jaundice.

Consult with a professional specializing in liver disorders. Treatment options will depend on the underlying cause and severity of the damage. Lifestyle changes, medications, or even a liver transplant may be considered. Prompt medical attention and following professional guidance are crucial in managing the condition effectively.

Your hepatitis B virus surface antigen result is 2.38, which is below the normal threshold of 10 IU/ml, indicating you're likely not infected. So, you don't need to worry much about hepatitis B. If you want further reassurance, you can take a quick express test for fast results. The risk of infection from blood on your skin depends on factors like the amount of blood, any existing cuts, and how quickly you clean it off. Usually, brief contact with blood on the skin doesn't pose a high risk of hepatitis B infection. Overall, your levels are normal, so you can relax. But if you're still concerned, an express test can provide peace of mind.