If other people touch the surface or breathe the same air, they can get sick.

如果其他人触摸到沾有物体表面或吸入了相同空气，他们就会被感染。

You don't know that, though. We could all have it.

谁说得一定呢 人人都有染上可能啊。

Researchers aren't entirely sure why this process works so well for some viruses but not others.

研究人员尚不清楚，为何此种机理对有有效，有无效。

So becomes the needle in a haystack, trying to find a few that have malaria.

在这十亿个红细胞中找到有疟疾细胞犹如大海捞针。

West Nile virus is also an " enveloped virus" because the capsid is covered by a lipid membrane.

该还是有包囊，因为衣壳外有一层脂质层。

Every country in Africa has recorded cases of corona virus.

非洲每个国家都有冠状例。

Qatar has denied there's a widespread outbreak.

卡塔尔否认了有大范围暴发。

The risk of contracting the coronavirus is also in the back of Austin's mind.

奥斯心有感染冠状风险。

They said those areas are at risk of having an outbreak of the virus.

他们称这些地区有爆发寨卡风险。

That's more than the total number of positive COVID tests the U.S. has recorded.

比美国有记录新冠阳性患者总数还要多。

Moderna shot shown similar protection with 94 percent effectiveness against the coronavirus.

莫德纳疫苗对冠状有类似保护效果，有效率为94%。

But in the early '90s, a new type of virus became prevalent.

但在90年代初期有一种新型开始流行了起来。

Hindus in India threw colored powder and sprayed water in Holi celebrations on Monday, despite coronavirus restrictions.

尽管有新冠限制措施，印度印度教徒在周一胡里节庆祝活动中仍投掷彩色粉末并喷洒液体。

The mosquito that spreads it is found in areas where more than half the global population lives.

而超过全球人口一半居住地都有传染该蚊子。

They're at risk of both contracting it as well as spreading it.

他们既有感染风险，有传播风险。

The antibody test requires a sample of your blood and this strip which has proteins from the virus on it.

抗体测试需要你血液样本，上面有来自蛋白质。

But they found these changes did not confirm the existence of different strains of the virus.

但是他们发现这些改变并不能证实有其他不同种类存在。

All the boroughs have similar diversity of viruses.

所有行政区都有相似多样性。

There are different lineages of the virus, but there don't seem to be different strains.

该有不同谱系，但似乎没有不同株。

It took three hours for the virus to incubate.

有三小时潜伏期。