hepatitis B surface antigen (HBs Ag)

Hepadnaviridae family consists of two viral genera which are Orthohepadnavirus (which contain viruses that infect humans and other mammals)and Avihepadnavirus (which contain viruses that infect birds); and these viruses are generally called hepadnaviruses. The viruses in this family include human hepatitis B virus, animal hepatitis viruses and duck hepatitis virus. Hepadnaviruses are spherical in shape, […]