Hepatitis A is a lethal liver infection of a human body caused by hepatitis A virus (HAV). Even though proper vaccines have been discovered and successfully imparted to the masses, total eradication of the disease is still not achieved. The HAV enters the human body and travels through its bloodstream. Thus, timely blood test of the infected person can reveal the presence of this virus pathogen and help in curing the victim.

Before any blood tests or the patient himself, it is the immunity system of his body which identifies the toxic cells and starts to produce appropriate antibodies to fight them. The blood tests for hepatitis A search for these antibodies. Since they cannot be present in the blood without the antigens of HAV, their presence indicates the condition of hepatitis A disease.

There are five kinds of hepatitis disease, starting from A to E. different viruses are responsible for different kinds. Thus, it is important to be sure of which type of virus the test results are showing as treatment differs from virus to virus in hepatitis.

Being an extremely contagious disease, the doctors, nurses, and dentists should go in for blood tests to detect the presence of hepatitis A or other viruses of the hepatitis family, even if they do not experience any of the symptoms. This is because they are constantly exposed to the possibilities of getting infected because of the nearness they have to maintain with victims and possible sources of hepatitis A and the other types of hepatitis viruses.

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