Hepatitis Flashcards
1
Q
When is hepatitis B surface antigen present?
A
When virus is in blood-it is a protein on surface HBV
It is used in vaccine (not live) to induce antibodies and immunity
2
Q
When is hepatitis B envelope antigen present in blood?
A
When virus is replicating
3
Q
When are hepatitis B surface antibody present?
A
When infection cleared or vaccinated
4
Q
When are hepatitis b envelope antibodies present?
A
Been through an active replication stage
5
Q
When are hepatitis b core antibodies present?
A
When immune response to virus has been generated.
You never detect the core antigen in blood only the antibodies. IgM and IgG
