<prompt> Marker of Infectivity of Hepatitis B is:-HBsAgHBeAgAnti HBsAnti HBs  <response>: HBsAg first antigen to appear, epidemio marker Australian antigen HBcAg - Rarely appears in plasma HBeAg - Marker of infectivity 1st Ab to appearance - Anti HBC Ab - acute hepatitis IgM Anti HBe - Marker of good prognosis Anti HBs - End of communicability and vaccinated. 