The world of things not easily seen, e.g. viruses and bacteria. Not all bad. Hepatitis B virus (HBV). A thing that infects people's liver and it is complicated to cure. When symptoms found, it will be quite late if not too late. This thing is related to people close to me and another reason. Then I came across this #NOhep thing. So try learn what's new to deal with HBV. Basically, when a HBV