Viral Hepatitis

Question 1

Serology of HBV susceptible patient

Answer 1

HBsAg (-)
Anti-HBs (-)
Anti-HBc (-)

HBeAg (-)
Anti-HBe (-)
HBcAg (-)

Question 2

Serology of patient with natural HBV immunity (cleared acute infection)

Answer 2

HBsAg (-)
Anti-HBs (+)
Anti-HBc (+)
HBeAg (-)
Anti-HBe (+)

Question 3

Serology of successful HBV vaccination

Answer 3

HBsAg (-)
Anti-HBs (+)
Anti-HBc (-)
HBeAg (-)
Anti-HBe (-)

Question 4

Serology of HBV acute infection

Answer 4

HBsAg (+)
Anti-HBs (-) - positive after symptoms & then will stay high
HBeAg (+)
Anti-HBe (+) - positive part way through symptomatic phase
IgM Anti-HBc (+)

Question 5

Serology of chronically infected HBV patient (chronic carrier)

Answer 5

HBsAg (+)
Anti-HBs (-)
HBeAg (+) for years but after a few years (- or low)
Anti-HBe (+)
IgG Anti-HBc (+)