全部

1·The virus did not mutate during the pandemic to a more lethal form.

在大流行期间这一病毒没有突变为某种更致命的形式。

2·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。

3·An influenza outbreak in 1918 began in a mild way, but returned in a lethal form months later and killed millions.

1918年暴发的流感起初也很温和，但是几个月之后开始变得致命，并且数百万人丧生。

4·During the previous century, the 1918 pandemic began mild and returned, within six months, in a much more lethal form.

在上个世纪，1918年大流感初期，影响较轻微，而6个月后再度流行时杀伤力大大增强。

5·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。

6·This type of the cancer is a lethal form of the disease, with most patients dying 18 to 24 months after becoming resistant to hormone suppression.

这类肿瘤是该疾病的致命类型，多数病人在对激素抑制产生抗性后18 - 24个月死亡。

7·Malignant melanoma, the most lethal form of skin cancer, has overtaken cancers of the cervix and breast to become the most common cancer diagnosed in women under 30.

恶性黑素瘤，作为皮肤癌中最致命的类型，已经取代宫颈癌和乳腺癌而成为30岁以下女性最常见的癌症。

8·There is evidence linking ENSO to malaria in Latin America, rift valley fever in east Africa, and dengue fever and its more lethal form, dengue hemorrhagic fever, in Thailand.

有证据表明，ENSO和拉丁美洲的疟疾、东非的裂谷热以及泰国的登革热(以及它的一种更致命的形式：登革出血热)有联系。

9·Having the tools to identify hepatocellular carcinoma at earlier stages, is truly a breakthrough for addressing the challenges that result from this highly lethal form of cancer.

在早期即能确定肝癌是应对这种高致命性癌症挑战的一个重大突破。

10·Melanoma is the least common form of skin cancer but the most lethal.

黑素瘤是皮肤癌中最为罕见的一种，但也是最为致命的。