1144. Hepatitis A virus (HAV), total antibodies
Description
Hepatitis A virus (HAV) is an infectious agent that can trigger the development of acute liver inflammation. It is transmitted from a sick to a healthy person through contaminated water and food. Immune cells respond to the virus by secreting immunoglobulins. Immediately after the development of the disease, immunoglobulins M (acute phase antibodies) are released, later immunoglobulins G (memory antibodies that provide protection against repeated infections) begin to be released.
Determination of the total level of antibodies (M + G) is widely used to determine pre- and post-vaccination status and in epidemiological studies.
When and who needs the test?
Exclusion of viral hepatitis A with the appropriate clinic and data from the epidemiological history; epidemiological studies (examination of contact persons living in the focus of the disease, etc.).
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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