| 41. | Q : Why does pertussis still exist?
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| 42. | Q : Are there protections against pertussis?
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| 43. | Among those getting the new pertussis vaccine, there were 72 cases of whooping cough.
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| 44. | Whooping cough is also known as pertussis.
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| 45. | Less is known about adult pertussis risk.
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| 46. | In the U . S . pertussis in adults has increased significantly since about 2004.
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| 47. | She is credited as co-developer of the pertussis ( whooping cough ) vaccine.
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| 48. | These include measles, pertussis and polio.
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| 49. | The pertussis toxin does not have a specific receptor, and binds to sialylated glycoproteins.
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| 50. | He made contributions in his research of pertussis, exophthalmic goitre, and glandular angina.
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