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Hepatitis B vaccine is a vaccine that prevents hepatitis B. [13] The first dose is recommended within 24 hours of birth with ... An anti-Hbs antibody level above 100 ...
The typical seroconversion timecourse for hepatitis B. Seroconversion plays a major role in the diagnosis and treatment of hepatitis B infections. [60] As in other viral infections, seropositivity indicates that an individual has a sufficiently high concentration of antibody or antigen in the blood to be detectable by standard techniques.
Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV) that affects the liver; [1] [6] it is a type of viral hepatitis. [7] It can cause both acute and chronic infection . [ 1 ]
Hepatitis B immunoglobulin (HBIG) is a human immunoglobulin that is used to prevent the development of hepatitis B [2] and is used for the treatment of acute exposure to HBsAg. [ 3 ] [ 4 ] [ 5 ] Medical uses
Patients who developed antibodies against HBsAg (anti-HBsAg seroconversion) are usually considered non-infectious. HBsAg detection by immunoassay is used in blood screening, to establish a diagnosis of hepatitis B infection in the clinical setting (in combination with other disease markers) and to monitor antiviral treatment.
The need for a booster dose for hepatitis B has long been debated. Studies in the early 2000s that measured memory cell count of vaccinated individuals showed that fully vaccinated adults (those that received all three rounds of vaccination at the suggested time sequence during infancy) do not require a booster dose later in life.
For HEPLISAV-B, we expect to drive continued top-line growth with net product sales between $305 million to $325 million, fueled by the expanding adult hepatitis B vaccine market in the U.S.
HBcAg (core antigen) is a hepatitis B viral protein. [ 1 ] [ 2 ] It is an indicator of active viral replication; this means the person infected with Hepatitis B can likely transmit the virus on to another person (i.e. the person is infectious).