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Hepatitis B surface antigen

Transmission

Sexual, parenteral, perinatal, direct contact between individuals.

Clinical Signs

Asymptomatic in 90% of cases.

Cure

95% of cases (adults).

Complications

Cirrhosis and hepatocellular carcinoma.

Development of chronic form

Yes (5% of adult cases).

Prevention

Vaccination ++++; specific IgG.

Main Marker

HBS Ag, anti HBc IgM, total anti HBc Ab, Anti-HBs Ab, HBe Ag, Anti-HBe Ab, HBV DNA.

 

Hepatitis B surface antigen workflow

 

Hepatitis B surface antigen phases diagram