Hepatitis B Virus
Contents
Transmission: Hepatitis
B virus (HBV) is spread
by direct contact with blood or body fluids of
any infected person. This can occur during unprotected sexual
contact, blood transfusions, sharing of
contaminated needles and syringes, or vertical
transmission from mother to child during
childbirth. The newborn will
most likely not show any symptoms if infected,
but has a 90% chance of developing a chronic
infection.
This virus is particularly lethal because only a minute amount (0.0001mL) of the virus is required to cause infection. Contact via the lips could also cause the spread of the virus, especially if the infected person has a cut on their lip. However, the virus is not shed in the saliva.
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