ENG Only one sample of blood is needed for a hepatitis B blood test, but the “Hepatitis B Panel” includes three parts. All three test results are needed to fully understand whether a person is infected or not. Below is an explanation of the 3-part “Hepatitis B Panel”:
1. HBsAg (Hepatitis B surface antigen) - A "positive" or "reactive" HBsAg test result means that the person is infected with hepatitis B. This test can detect the actual presence of the hepatitis B virus (called the “surface antigen”) in your blood. If a person tests “positive,” then further testing is needed to determine if this is a new “acute” infection or a “chronic” hepatitis B infection. A positive HBsAg test result means that you are infected and can spread the hepatitis B virus to others through your blood.
2. HBsAb (Hepatitis B surface antibody) - A positive HBsAb test result indicates that a person is protected against the hepatitis B virus. This protection can be the result of receiving the hepatitis B vaccine or successfully recovering from a past hepatitis B infection. This test is not routinely included in blood bank screenings. A positive HBsAb test result means you are “immune” and protected against the hepatitis B virus and cannot be infected. You are not infected and cannot spread hepatitis B to others.
3. HBcAb (Hepatitis B core antibody) - A positive HBcAb test result indicates a past or current hepatitis B infection. The core antibody does not provide any protection against the hepatitis B virus (unlike the surface antibody described above). This test can only be fully understood by knowing the results of the first two tests (HBsAg and anti-HBs). A positive HBcAb test result requires talking to your health care provider for a complete explanation of your hepatitis B status.
繁 乙型肝炎驗血非常簡單，並可在醫生診所中迅速進行。有三種常見的驗血，在驗血時從您 身上抽取一份血樣﹕
1.乙型肝炎表面抗原(HBsAg)—這直接化驗是否有病毒存在。如果化驗呈陽性，則您可能已 受到乙型肝炎感染。這一化驗可能必須進行多次，以確認您是否已受到慢性感染。
2.乙型肝炎表面抗體(HBsAb 或anti-HBs)—這化驗您的免疫系統為了抵抗病毒而製造的“表面抗體”。如果您已“康復”，該化驗則呈陽性，但這一過程可能最多需要六個月。這一“表面抗體”將保護您終生不再受乙型肝炎感傳染。如果您已接受乙型肝炎疫苗注 射，該化驗亦呈陽性。
3.乙型肝炎核心抗體(HBcAb 或anti-HBc)—這化驗病毒中稱為“核心抗體”的部分，但不 能為您提供保護。如該化驗呈陽性，則您可能已受乙型肝炎病毒感染。該化驗的結果僅限 於與上述其它兩種化驗共同判讀。
简 乙型肝炎验血非常简单，并可在医生诊所中迅速进行。有三种常见的验血，在验血时从您身上抽取一份血样﹕
1.乙型肝炎表面抗原(HBsAg)—这直接化验是否有病毒存在。如果化验呈阳性，则您可能已 受到乙型肝炎感染。这一化验可能必须进行多次，以确认您是否已受到慢性感染。
2.乙型肝炎表面抗体(HBsAb或anti-HBs)—这化验您的免疫系统为了抵抗病毒而制造的“表面抗体”。如果您已“康复”，该化验则呈阳性，但这一过程可能最多需要六个月。这一“表面抗体”将保护您终生不再受乙型肝炎感传染。如果您已接受乙型肝炎疫苗注 射，该化验亦呈阳性。
3.乙型肝炎核心抗体(HBcAb或anti-HBc)—这化验病毒中称为“核心抗体”的部分，但不 能为您提供保护。如该化验呈阳性，则您可能已受乙型肝炎病毒感染。该化验的结果仅限 于与上述其它两种化验共同判读。
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