The number of people suffering from hepatitis B in China is increasing, and the number of people going to hospitals for hepatitis B five tests is also increasing year by year, but there are still many people who do not understand the knowledge related to hepatitis B five tests, and even patients who have suffered from hepatitis B for many years are not very clear about the meaning of the test results, so let’s go over the knowledge of hepatitis B five tests. What is hepatitis B five? The hepatitis B five is the most commonly used serum marker for detecting hepatitis B virus (HBV) infection in domestic hospitals. There are three pairs of immunological markers for hepatitis B virus, namely surface antigen (HBsAg) and surface antibody (anti-HBs or HBsAb), e antigen (HBeAg) and e antibody (anti-HBe or HBeAb), and core antigen (HBcAg) and core antibody (anti-HBc or HBcAb). It is the most commonly used serological marker for checking hepatitis B virus (HBV) infection and contains mainly five indicators, so it is called hepatitis B five. The significance of the hepatitis B five tests, also known as hepatitis B two-and-a-half, is to check whether the hepatitis B infection and the specific circumstances of the infection, and to distinguish between major and minor triplets. The hepatitis B five test precautions 1, hepatitis B five test before there is no fasting requirements, but the day before the test should be careful not to drink, not to take any drugs; 2, hepatitis B five test the night before the best do not eat too greasy, too spicy food; 3, hepatitis B five test the night before a good night’s rest, do not affect the test results because of exertion. Four, the five indicators of hepatitis B significance 1, (HBsAg – hepatitis B virus surface antigen) for the sign of the virus has been infected, and does not reflect the presence or absence of virus replication, replication degree, the strength of infectiousness. 2, (HBsAb – hepatitis B virus surface antibody) is a neutralizing antibody marker, the main marker of whether recovery or resistance. For hepatitis B vaccine recipients, if only this test is positive, it should be regarded as a normal phenomenon after hepatitis B vaccination; people who rely on their own immunity to clear the hepatitis B virus after infection will also produce hepatitis B surface antibody, which is a good phenomenon. 3. (HBeAg – Hepatitis B virus e antigen) is a marker of virus replication. Continuous positive for more than 3 months has a tendency of chronicity. 4, (HBeAb – Hepatitis B virus e antibody) is a sign of virus replication stop. Viral replication is reduced and the infection is weaker, but not completely non-infectious. 5.(HBcAb – Hepatitis B virus core antibody) is a marker for those who have been infected or are infected. The core antibody IGM is a sign of recent infection or virus replication, and the core antibody IgG is produced after infection, and is of some significance in aiding the two-to-one half examination. Five, hepatitis B five results against the table analysis hepatitis B five check the first, four, five positive, the remaining two negative, that is, hepatitis B five 145 positive, indicating that the acute and chronic hepatitis B, but less infectious (if the virus is mutated, DNA is highly replicated, there is still a strong infectious). That is commonly known as “small three yang”. The first, third and fifth items of the five hepatitis B tests are positive, and the remaining two are negative, i.e., the five hepatitis B items are 135 positive, which indicates acute and chronic hepatitis B. At this time, the virus is actively replicating and highly contagious. It is commonly known as “Big Three Yang”. The fifth positive item of the five hepatitis B tests and the remaining four negative items, i.e. the fifth positive item of the five hepatitis B tests, indicate that the person is a recessive carrier of the hepatitis B virus or is in the window period of infection, which also indicates that he has been infected with the hepatitis B virus. The fourth and fifth positive items of the five hepatitis B tests and the remaining three negative items, i.e., 45 positive items of the five hepatitis B tests, indicate that one is recovering from acute hepatitis B virus infection or has been infected with the hepatitis B virus. The second, fourth and fifth positive items of the five hepatitis B tests and the remaining two negative items, i.e., hepatitis B V 245 positive, indicate a recovery period of hepatitis B and the presence of immunity. The second and fifth positive items of the five hepatitis B tests and the remaining three negative items, i.e., five positive items of hepatitis B 25, indicate that the person has recovered from hepatitis B vaccination or hepatitis B virus infection and has become immune. Hepatitis B five 2 positive, that is, hepatitis B five only the second positive, there are three cases: (1) injected with hepatitis B vaccine has immunity; (2) injected with hepatitis B vaccine has immunity; (3) false positive Six, hepatitis B five negative good or positive good? 1, for hepatitis B patients: the second positive indicates that hepatitis B is in the recovery period, has almost healed. The fourth positive is a better development, indicating that the hepatitis B virus replication is inhibited and the infectiousness is weakened. The third positive item indicates that the virus is replicating actively and is highly infectious, and the fifth item is of little significance whether it exists or not. 2, for friends who do not know whether they are hepatitis B: the first item, the third positive represents the body was infected with hepatitis B virus, the fourth positive and fifth positive can not explain the problem, infected or healed hepatitis B patients may appear, but no matter which items, as long as the second positive is accompanied by the body antibody, hepatitis B has tended to heal, or the hepatitis B vaccine will not be infected Hepatitis B. A single positive fifth item means that anti-HBs has not been detected in previous infections or HBsAg has disappeared during the recovery period, and anti-HBs has not yet appeared, or you may be an asymptomatic HBsAg carrier. If all of them are negative, it is a good result, at least it means that you are not infected with hepatitis B, but you do not have antibodies in your body, so you should get vaccinated against hepatitis B as soon as possible. The above is a detailed explanation of the five hepatitis B tests, I believe you already know how to read the results of the five hepatitis B tests. The experts say that the hepatitis B half test is really of great importance, so we must pay attention to it. If you do hepatitis B five test results are not satisfactory, you must go to a regular liver disease hospital in time for a comprehensive examination, including liver function, hepatitis B virus DNA and ultrasound, etc., to confirm the diagnosis of the specific condition, timely treatment, so as not to miss the time of treatment, resulting in deterioration of the condition.