Do vaccines provide lifelong immunity?

Related questions

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5. Which is better dapoxetine vs paroxetine?
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Tags

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2. #either
3. #always
4. #vaccine
5. #infection
6. #timing
7. #highest
8. #vulnerability
9. #immune
10. #lifelong
11. #immunity
12. #period
13. #cover
14. #getting
15. #disease
16. #protection
17. #doses
18. #vaccination
19. #achieve
20. #provided
21. #natural