What are the challenges in achieving hepatitis B elimination?

All positive test results (HBsAg, IgM anti-HBc, HBeAg, or HBV DNA) from laboratories and facilities must be reported to the Colorado Department of Public Health ... HBsAg (Hepatitis B surface antigen) - A "positive" or "reactive" HBsAg test result indicates that a person is infected with hepatitis B. This test can ... 'HB' refers to hepatitis B, a virus that infects liver cells. The 's' refers to surface, and the 'Ag' means antigen. So, HBsAg is a surface antigen on the ... HBsAg ... HBsAg (also known as the Australia antigen) is the surface antigen of the hepatitis B virus (HBV). Its presence in blood indicates existing hepatitis B ... Aug 13, 2023 ... HBV S gene mutations are known to influence the occurrence of HBsAg-negative and HBV DNA-positive cases. These mutations are called immune ... Mar 31, 2025 ... What is hepatitis B? · Acute HBV occurs within 6 months after a person is exposed to HBV. In some people, acute HBV can lead to chronic HBV. Feb 29, 2024 ... The assay works on the principle of neutralizing the HBsAg in the tested serum sample and then demonstrating a decrease in the resulting signal strength. Hepatitis B virus (HBV) infects more than 300 million people worldwide and is a common cause of liver disease and liver cancer. HBIG should be administered within 12 hours of birth; however, it can be administered up to 7 days after birth if the pregnant person's HBsAg laboratory result ... Oct 25, 2023 ... What is hepatitis B? Hepatitis B is a type of viral hepatitis. It can cause an acute (short-term) or chronic (long-term) infection. People with ...