virulent strain

基本解释

Scientists found DNA from the malaria parasite Plasmodium falciparum in Tut’s body, indicating that he suffered from a particularly virulent strain of the disease.
科學家現在圖坦卡矇躰內發現來自瘧原蟲（惡性瘧原蟲）的DNA，表明圖坦卡矇曾經患有特殊的帶有毒菌株的疾病。
One in five lung cancer sufferers have a particularly virulent strain called small cell lung cancer which kills all but three per cent of sufferers within five years of diagnoses.
1/5的癌症患者帶有一種特別的有毒病株，稱爲小細胞肺癌，這種肺癌五年內殺死了近3%的確診患者。
The authors argue the version of the disease that caused the medieval plague is likely extinct, but suggest that further study could reveal how it may have evolved into a less virulent strain.
作者們稱引起中世紀瘟疫的品種可能已經滅絕了，但是他們認爲進一步的研究可以揭示它是如何進化到一種沒那麽致命的類型。

It's a virulent strain that occurs when a person with TB fails to complete the six to nine-month course of medication or catches TB from another person who is ill with a drug resistant-strain.

No target is too mighty, or too obscure, for this new and virulent strain of oratory.
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Half of the victims have been hospitalised, a high rate that may indicate an especially virulent strain of E. coli.
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They then subdivided the groups and infected the resulting subgroups with either H3N1, a mild strain of influenza, or H1N1, a virulent strain.
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