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Several studies have looked for an association between recombinant hepatitis B vaccine and multiple sclerosis (MS) in adults. [48] Most studies do not support a causal relationship between hepatitis B vaccination and demyelinating diseases such as MS. [ 48 ] [ 49 ] [ 50 ] A 2004 study reported a significant increase in risk within three years ...
Acute hepatitis B infection does not usually require treatment and most adults clear the infection spontaneously. [ 86 ] [ 87 ] Early antiviral treatment may be required in fewer than 1% of people, whose infection takes a very aggressive course (fulminant hepatitis) or who are immunocompromised .
HBIG is indicated as a postexposure prophylaxis for people at risk to develop hepatitis B because they have been recently exposed to body fluids of individuals who have hepatitis B. This includes babies of mothers with hepatitis B, sexual partners, healthcare workers, police and fire workers, and morticians. [6]
"Moreover, the finding that one of the participants meeting functional cure criteria had antibodies against hepatitis B is promising as HBsAb positivity is associated with long-term control of the infection by the immune system.” Functional cure is defined by AASLD as sustained HBsAg loss and hepatitis B virus DNA <LLOQ for 6 months off ...
The general stages of seroconversion for hepatitis B, where the line of detectability indicates seropositivity. In immunology, seroconversion is the development of specific antibodies in the blood serum as a result of infection or immunization, including vaccination.
Hepatitis D is a defective virus that requires hepatitis B to replicate and is only found with hepatitis B co-infection. [17] In adults, hepatitis B infection is most commonly self-limiting, with less than 5% progressing to chronic state, and 20 to 30% of those chronically infected developing cirrhosis or liver cancer. [ 30 ]
HBsAg (hepatitis B surface antigen) was the first hepatitis B virus protein to be discovered. [15] It consists of small (S), medium (M) and large (L) protein. [16] HBcAg (hepatitis B core antigen) is the main structural protein of HBV icosahedral nucleocapsid and it has function in replication of the virus. [17]
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.
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