pertussis

常见例句

California is now in the middle of the worst outbreak of pertussis in half a century.
加州目前正处于半个世纪以来最严重的百日咳爆发中。
Herd immunity requires high immunization rates—around 95 percent for highly contagious infections like pertussis and measles.
对于像百日咳和麻疹这样的高传染性疾病，免疫屏障要求的免疫率高达95%左右。
It is also used during production of specific vaccines, for example certain pertussis (whooping cough) vaccines, as part of the manufacturing process that makes the product safe and effective.
作为生产过程中使产品安全有效的组成部分，它也被用于特定疫苗的生产，例如，某些百日咳疫苗。

They were so effective and cost effective and yet immunization rates were on the decline if you look back 10 years ago, However,she says in the last nine years, immunization rates for such diseases as diphtheria, tetanus and pertussis have risen sharply.

In infants and very young children, pertussis causes violent, spasmodic coughing that repeats over and over.
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The pertussis (whooping cough) vaccine has been failing us, because immunity against it fades.
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