A member asked:

I had a casual contact with hep b patient he had a sore on his mouth that i am worried he touched before shaking my hand, can i contact the virus ?

A doctor has provided 1 answer
Dr. John Fung answered

Specializes in General Surgery

Not likely: Hepatitis B is a virus that replicates in the liver and thus resides in the blood, semen, or other body fluids from an infected person. Transmission of HBV occurs when such fluid enters the body of someone who is not infected, through a break in the skin. In addition, if you have been vaccinated for HBV in the past, the risk of transmission is markedly reduced. If in doubt, you can be tested

Answered 5/31/2015

2.8k views

Thank

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