What is the two-and-a-half pair test?

The two-to-one test is a test that checks whether a patient has hepatitis B and whether antibodies are formed after the hepatitis B vaccination. There are five tests, namely hepatitis B virus surface antigen, hepatitis B virus surface antibody, hepatitis B virus e antigen, hepatitis B virus e antibody, and hepatitis B virus core antibody. The specific tests are as follows: 1. Hepatitis B virus surface antigen: is considered a sign of having been infected with the hepatitis B virus. Hepatitis B surface antigen can be detected as positive within 2-6 months when transaminases have not yet risen. Most patients with acute viral hepatitis B can turn negative with treatment, but patients with chronic hepatitis B will continue to be positive. 2. Hepatitis B virus surface antibody: is an immune and protective antibody produced by the hepatitis B virus after it has invaded the body, and is usually positive during the recovery period. This indicator is also positive in people who have received hepatitis B vaccine; 3. Hepatitis B virus e antigen: can be detected at the same time or a few days after the hepatitis B virus surface antigen appears positive; 4. Hepatitis B virus e antibody: can usually be detected a few months after the hepatitis B virus antigen turns negative; 5. Hepatitis B virus core antibody: can usually be detected in the serum within 3-5 weeks after the appearance of the hepatitis B virus surface antigen. The results of the five tests for hepatitis B show a variety of results, and different test results represent different clinical meanings. The commonly known major triplets and minor triplets are the results of viral infection detected in the five tests for hepatitis B. The major triplet is surface antigen positive, e antigen positive and core antibody positive, and the minor triplet is surface antigen positive, e antibody positive and core antibody positive, both of which require antiviral treatment under the guidance of a doctor if there is liver damage; generally, the clinical choice is entecavir, tenofovir or propofol tenofovir for antiviral treatment, and if necessary, diammonium glycyrrhizate injection, bifenacoum, etc. If necessary, you can also use glycopyrrolate injection, bifenthix and other drugs for liver protection treatment. If there is no liver function damage, just simple hepatitis B carriers, just need to pay attention to quit smoking and alcohol, eat less fatty food, regular checkups.