Fayrusku wuxuu galayaa unugyada isagoo ku xidhan NTCP dusha sare iyo in la endocytosed. Sababtoo ah fayrusku wuxuu ku tarmaayaa RNA oo ay sameysay enzyme-ka martida loo yahay, DNA-da hidde-wadaha fayraska waa in loo wareejiyaa nucleus-ka unugyada martida loo yahay ee loo yaqaan 'chaperones'. DNA-da fayraska ee qayb ahaan laba-geesoodka ah ayaa markaa si buuxda loo sameeyaa laba-geesoodka oo ay ku beddelaan DNA-ga wareega wareega (cccDNA).
cudurka hepatitis B