What indicate it to be hep b virus?

NEET PG
#1

what indicate it to be hep b virus??

Hepatitis B virus (HBV) is a virus that infects the liver and causes hepatitis B. Diagnosis of HBV infection involves various tests, including blood tests and imaging studies.

Blood tests for HBV typically include:

  1. Hepatitis B surface antigen (HBsAg): A positive test for this indicates the presence of the virus in the blood.
  2. Hepatitis B core antibody (anti-HBc): A positive test for this indicates previous or current infection with the virus.
  3. Hepatitis B surface antibody (anti-HBs): A positive test for this indicates immunity to HBV, either from vaccination or from previous infection.

Imaging studies, such as ultrasound or computed tomography (CT) scan, may also be used to evaluate the liver and look for signs of damage or inflammation.

It is important to note that a positive test for HBsAg does not necessarily mean that a person has chronic HBV infection. Further testing is needed to determine the person’s HBV status and whether treatment is necessary.