Can HBsAg turn negative?

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  1. #surface
  2. #reactive
  3. #actively
  4. #positive
  5. #negative
  6. #cases
  7. #months
  8. #antigen
  9. #infected
  10. #hepatitis
  11. #found
  12. #means
  13. #nonreactive
  14. #within
  15. #results
  16. #recover
  17. #normal
  18. #meaning