please see the answers from http://www.medhelp.org/posts/Hepatitis-B/hepatits-b/show/1592144
as for if it is curable of not, unfortunately is no cure in this moment, the actual treatment is only for manage and to protect the liver, but not destroy the virus. Anyway it seams that new treatments are is on the horizon: like rep9ac or Myrcludex-B,for this keep an eye on http://www.medhelp.org/posts/Hepatitis-B/Entry-inhibitors-show-promise-as-drugs/show/1570784?page=1
HBV is very contagious to blood, so a goos advice will be that all your family should made a HBs screening and if they are not positive on the screening to receive a vaccine in order to be protected.
usually if a adult is infected with HBV it cure in 90% but if a newborn is infected (from mother) it will get chronic in 90% or if a child is infected also it will go chroninc in 70% or 60% depend on the age, so we can't know for sure from were we have it, and in this moment this is not something important
The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. Med Help International, Inc. is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We offer this Site AS IS and without any warranties. By using this Site you agree to the following Terms and Conditions. If you think you may have a medical emergency, call your physician or 911 immediately.