What is opt vaccine?

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Tags

1. #usually
2. #diphtheria
3. #haemophilus
4. #called
5. #against
6. #different
7. #disease
8. #tetanus
9. #whooping
10. #pentavalent
11. #protects
12. #hepatitis
13. #often
14. #cough
15. #pertussis
16. #influenzae
17. #vaccine
18. #slightly
19. #diseases