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158509 Microbiology

A 34-year-old accountant returns home after a trip to Calcutta, complaining of malaise, fatigue, and loss of appetite. Three months after initial diagnosis, the results of serological tests reveal: HBcAb, positive; HBeAb, positive; HBeAg, negative; HBsAg, negative; HBsAb, negative. The absence of HBsAg and HBsAb from the serum of this patient is reflective of which of the following?

AThe patient has been successfully vaccinated against Hepatitis B
BThe patient is anergic to Hepatitis B
CThe patient is immune to Hepatitis B
DThe patient is in the equivalence zone of antibody production
Microbiology
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158511 Social & Preventive Medicine

Carrier is defined as –

APerson, animal or object from which infectious agent passes to host
BPerson, animal or object in which an infectious agent lives and multiplies
CInfected person harbouring infectious agent without clinical features and acts as source of infection
DA person in which infectious agent lie dormant
Social & Preventive Medicine
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