Hepatitis B is one type of hepatitis that causes an inflammation of the liver. Hepatitis is a potentially severe virus that can cause liver failure, cancer and cirrhosis. According to the CDC, there are approximately 21,000 new cases of hepatitis B infection a year, which are majorly diagnosed in unvaccinated adults. So, who needs a Hep-B vaccine and when is the right time to get it? Continue reading to learn more about hepatitis, and ...