The Difference Between Hepatitis B Positive and Negative
May 24, 2022
Source: Cainiu Health
Dr. Jiang Weimin
Introduction
A positive hepatitis B test typically refers to a positive hepatitis B surface antigen (HBsAg), while a negative hepatitis B test usually indicates a negative HBsAg. Generally, individuals with a positive HBsAg are considered hepatitis B virus (HBV) carriers; however, their specific clinical condition requires comprehensive evaluation based on multiple parameters, including HBV DNA levels, liver morphology, abdominal color Doppler ultrasound, alpha-fetoprotein (AFP), and liver function tests. In fact, most HBV carriers do not require treatment.
In daily life, we frequently encounter individuals with hepatitis B. Some people refer to hepatitis B patients as having a “positive” test result. What is the difference between “hepatitis B positive” and “hepatitis B negative”?
Difference Between Hepatitis B Positive and Negative
“Hepatitis B positive” typically refers to a positive hepatitis B surface antigen (HBsAg) test result, whereas “hepatitis B negative” usually indicates a negative HBsAg test. Generally, an HBsAg-positive individual is considered a hepatitis B virus (HBV) carrier. The specific clinical status requires comprehensive evaluation based on multiple parameters—including HBV DNA levels, liver morphology, abdominal color Doppler ultrasound, alpha-fetoprotein (AFP), and liver function tests. In fact, most HBV carriers do not require treatment. Only a small proportion of carriers—those with recurrent abnormalities in liver function—may need antiviral therapy.
“Hepatitis B negative” means the individual does not carry the hepatitis B virus—that is, their HBsAg test is negative. If such individuals also test negative for hepatitis B surface antibody (anti-HBs), they should receive the hepatitis B vaccine to induce protective anti-HBs antibodies, thereby preventing future HBV infection. Conversely, if anti-HBs is already positive, vaccination is unnecessary, as these individuals are already protected against HBV infection.
In daily life, hepatitis B prevention involves maintaining balanced nutrition, engaging in regular physical exercise, balancing work and rest, and strengthening overall physical fitness—all of which help boost immunity and reduce infection risk. Moreover, regardless of whether hepatitis B carriers are present in one’s surroundings, strict attention must be paid to the hygiene and safety of medical instruments used for injections, intravenous infusions, and dental cleaning procedures. We hope this information proves helpful!
