The hepatitis B surface antibody test (HBsAb) detects antibodies in the blood to determine if someone is immune to the hepatitis B virus (HBV). A negative or nonreactive result means the individual is ...
The Air Force's first B-21 Raider is shown at Plant 42 in Palmdale, Calif., where Northrop Grumman is building the service's new stealth bomber fleet. (U.S. Air Force) WASHINGTON — The B-21 Raider ...
Hepatitis B is a viral infection that impacts the liver. To test for hepatitis B, a doctor can perform a blood test that detects hepatitis B surface antigens. A positive result indicates a hepatitis B ...
Hepatitis B testing can show whether you have a current or past HBV infection and whether you have antibodies from a hepatitis B vaccine. Hepatitis B is a viral infection caused by the hepatitis B ...
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