SF Hep B Free Support Group

HBV DNA decrease without medications

Hi, I am HBV chronic patient for at least 15 years that I know.
I have been doing lab test for the last 3 years and it goes below

NB:- I am not on any medications

Jan,2020 HBV DNA load was 53 IU/ML
July,2020 HBV DNA load was 38 IU:ML
Jan,2021 HBV DNA load was <20.

Hbeag negative
Hbsag >1000
Hbsag Elisa decreases from 97 to 78.
AFP 9 and then 15 and 12.
Mild liver fibrosis .
Please advise based on the above