Studies have detected no signs that the virus has mutated to a more virulent or lethal form.
经研究未发现迹象说明病毒已突变为更具毒性或更致命的形式。
To date, no links between the small number of patients infected with the mutated virus have been found and the mutation does not appear to spread.
迄今为止，尚未发现少数感染变异病毒的患者之间有任何联系，变异病毒似未传播开来。
A 32-year-old man with cystic fibrosis is rushed to the hospital with appendicitis in the midst of a worsening pandemic caused by the H1N1 flu virus, which has mutated into a more deadly form.
H1N 1流感病毒逐渐蔓延，并迅速恶化为全国性的流行病。一个32岁的甲流患者不幸引发了阑尾炎并发症，他同时还患有囊肿性纤维化症。
Whether the incubation period — the time it takes to develop symptoms after exposure to a mutated virus —differs from that for known influenza viruses, usually one to three days.
是否有潜伏期-在接触变异病毒之后有多长时间才产生症状-与已知流感病毒不同，通常是1-3天。
There is still no evidence that the virus has mutated to spread easily between humans, he says.
他说现在还没有证据表明，病毒发生了突变而可以在人类之间传播。
Scientists believe that somewhere in the world, months or even a year ago, a pig virus jumped to a human and mutated, and has been spreading between humans ever since.
科学家相信一年前或几个月以前，世界的某个地方，猪流感病毒感染了人并发生了变异，之后开始在人之间传播。
Eric listened patiently, making appropriate sounds and shakes of his head, but looking at me as though I were contaminated, the bearer into his office of a freshly mutated virus of ill-fortune.
埃里克很耐心地听着，他摇头晃脑，适时地做出些回应的声音，不过他看我的眼神怪怪的，就好像我是一个受到传染的病毒携带者，带着一种新近变异的厄运病毒踩进了他的办公室。
Mexico's Health Ministry says the new virus has reached epidemic levels, it described as it is a former swine flu, which is mutated and being passed to humans.
墨西哥卫生部表示，这种新病毒已构成流行病，认为它曾是一种猪病毒，后经过变异，现在在人之间传播。
Lack of compliance with drug treatment regimens can allow for selective growth of mutated virus, increasing the risk of antiviral resistant strains of HIV.
不遵守药物治疗方案可导致突变病毒的选择性生长，增加HIV病毒抗药株的危险。
It was unclear whether the mutated virus was transmitted among humans, the health authorities said.
卫生机构说，变异病毒是否正在人之间传播仍不清楚。
According to WHO experts, there are currently no signs that the H1N1 virus has mutated to a more virulent or lethal form.
WHO的专家指出，当前没有迹象表明H1N1病毒已经变异成毒性更强更致命的形式。
According to WHO experts, there are currently no signs that the H1N1 virus has mutated to a more virulent or lethal form.
WHO的专家指出，当前没有迹象表明H1N1病毒已经变异成毒性更强更致命的形式。
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