What does it mean if HBsAg is negative?

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Tags

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