Do titers expire?

Related questions

1. What is HBsAg positive and HBeAg negative?
2. What does HBeAg negative mean?
3. What blood test shows immunity to hepatitis B?
4. What does a negative titer mean?
5. What is the meaning of HBsAg?
6. Can hepatitis B become negative?
7. What does it mean if your hepatitis B surface antibody is negative?
8. Can HBsAg become negative after treatment?
9. Is hepatitis B harmful?
10. What a hepatitis B patient should not eat?

Tags

1. #rubella
2. #titer
3. #results
4. #serum
5. #further
6. #expire
7. #instructions
8. #quantitative
9. #documenting
10. #immune
11. #measles
12. #mumps
13. #numerical
14. #immunity
15. #varicella
16. #values
17. #rubeola
18. #titers
19. #hepatitis