virulent strain

...a particularly virulent strain of the virus.

这种病毒中毒性尤为强烈的一种

《柯林斯高阶英汉双解学习词典》

Study on Molecular Characterization of Intestinal Microbial Community of Ducks Infected with DPV Virulent Strain

DPV强毒感染鸭肠道菌群的分子解析

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Beginning in the 1790s, when Edward Jenner developed the world's first vaccine against smallpox using a less virulent strain called cowpox to inoculate patients, vaccines have saved countless millions of lives.

1790年，爱德华·詹纳发明了世界上第一支用“牛痘”的微毒菌株合成的疫苗。从那时起，人们开始注射疫苗来预防天花，芸芸众生也因此得到了拯救。

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The deduced amino acid sequence at the cleavage site of the HA protein was RSSR ↓ GLF, it was match to the characteristic of low virulent strain.

HA蛋白裂解位点的氨基酸组成为RSSR↓GLF，不舍连续的碱性氨基酸，具有低致病性AⅣHA基因裂解位点的序列特征。

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Health experts are worried that a new, more virulent strain may be to blame.

卫生专家考虑这归咎于一种毒力更强的新菌种.

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Fortunately, the strain was far less virulent than originally feared, killing about 19,000 people.

幸运的是, 这种菌株的毒性远远小于人们原先所担心的, 但也造成了约19,000人死亡.

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FAO official Samuel Jutzi stresses that H 5 N 1 could turn a virulent human strain at any time.

联合国粮农组织官员于茨强调说,H5N1病毒随时都可能转变成易传染的人体病毒.

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The most virulent strain was screened out after evaluated by the indices of mortality, infection rate and the median lethal time ( LT50).

以桃蚜的校正死亡率、感染率及致死中时（LT（50））为指标综合评价不同菌株毒力。

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Fakuda says this particular strain of swine flu could become more or less virulent over time.

福田说,随着时间的推移,这种特殊的猪流感危机将或多或少变得更加剧烈.

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Objective To analyse HP and its condition of virulent strain infection in recruited flying students.

目的分析应招飞行学员幽门螺杆菌(HP) 及其有毒株感染状况.

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