10 Best Jaundice doctors in Bengaluru

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

The pus was successfully removed from your liver. However, you still have pain in your right shoulder blade and chest. Sometimes, gas can get trapped in the body after surgery, causing discomfort. However ongoing pain in these areas could also be a sign of muscle strain or inflammation. It’s important to inform your doctor so they can investigate further and find ways to relieve the pain.

Gastritis and fatty liver are common medical condition.
Gastritis is an inflammation of the stomach wall.
Fatty liver is the accumulation of fat in the hepatic cells.
Stomach pain, nausea and vomiting can be caused by gastritis
Fatty liver may lead to fatigue, weakness and abdominal pain.
The three most common factors of gastritis are H. pylori infection, consumption of alcohol and NSAIDs.
Both diseases can be managed through lifestyle changes and medications.
Eat properly, do regular exercise and do not drink or smoke.