7 doctors weighed in:

How contagious is hepatitis b (hbv) around time of birth?

7 doctors weighed in
Dr. Arthur Heller
Internal Medicine - Gastroenterology
6 doctors agree

In brief: Varies

Worldwide, commonest cause of infection-chronic carrier (mom) spreads virus to infant during birth process; this often will lead to a chronic carrier state in infant; process continues over generations.
May be prevented with hbig to infant, subsequent immunization. Immunize before sex activity starts may decrease another source for carriage. Not all infected are carriers, or actively infected.

In brief: Varies

Worldwide, commonest cause of infection-chronic carrier (mom) spreads virus to infant during birth process; this often will lead to a chronic carrier state in infant; process continues over generations.
May be prevented with hbig to infant, subsequent immunization. Immunize before sex activity starts may decrease another source for carriage. Not all infected are carriers, or actively infected.
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