No she won't be able to come Hep B is a very contagious virus the destroys the liver. She will eventually require very expensive Dialysis treatment due it destroying the liver. You also need to make sure yourself and any members of your family who come in contact with her get the vaccine immediately. The hepatitis B virus can survive outside the body for at least 7 days. During this time, the virus can still cause infection if it enters the body of a person who is not protected by the vaccine. So you want to make sure yourself or any children in the home do not become infected.