Why children who don't get vaccinated can even affect those who are vaccinated?

为什么没有接种疫苗的孩子甚至能影响那些已经接种疫苗的孩子？

We vaccinate against polio, diphtheria, tetanus, whooping cough, measles.

我们接种疫苗预防脊髓灰质炎， 白喉，破伤风，百日咳，麻疹。

Most were individuals who have never been vaccinated against the disease.

大多数感染者都是此前未接种过麻疹疫苗的人。

In a laboratory, a mouse is vaccinated with the target antigen.

在实验室中，用目标抗原接种小鼠。

That outbreak was brought under control by vaccinating vulnerable groups.

那次爆发通过为高风险群体接种疫苗而得到控制。

We forgot to get you vaccinated till you were 6.

我们直到6岁才想接种疫苗。

Also, at least half of all US adults are now at least partially vaccinated.

此外，一的美国成人现在至少已接种一剂疫苗。

People who accept medically based conspiracies are likely to avoid getting their kids vaccinated.

相信医药领域阴谋论的人不自己的孩子注射疫苗的可能性很大。

They were more likely to have their kids vaccinated after.

他们更有可能会让他们的孩子接种疫苗。

Many U.S. states did not require wearing masks whether people were vaccinated or not, but several states that did have mask mandates removed them after the new CDC guidance came out.

无论人们是否接种疫苗，美国许多州并没有规定要求人们配戴口罩，但在美疾控中心的新指南发布后，美国几个州取消了戴口罩的规定。

But the Delta variant of COVID, which became America's dominant strain this summer, can be caught and spread by people who are fully vaccinated, and it began infecting Americans while stricter travel bans were still in place.

但是，今夏天成为美国主要毒株的德尔塔变种，可感染接种完疫苗的人并在其间传播，在更严格的旅行禁令还在实施的时候，它却开始感染美国人。

Owner Rocco Mangel has been vaccinated and would like others to do the same.

饭店老板罗科·曼格尔已经接种了疫苗，他希望其他人也能接种。

What this says to me is that the delta variant is ebbing, more people have been vaccinated and there is a lot of pent up demand in the system post-COVID.

对我而言，说明德尔塔病毒变异毒株的影响力正在减弱，更多人接种了疫苗，及在后疫情时期有很多被抑制的需求。

One suggests it's as low as 42 percent effective, and a former director of the CDC says tens of thousands of breakthrough infections, when fully vaccinated people still contract COVID- 19, can be expected.

另一项研究认为，这种疫苗的有效性只有42%，一名美国疾病控制与预防中心的前主任表示，已经完全接种疫苗的人仍旧感染新冠病毒，这种突破性感染病例可能会有数万例。

The strategies include identifying, tracking and vaccinating migrant and hard-to-reach populations.

策略包括检验、追踪移民和难接触的人群，并为他们注射疫苗。

The eradication of smallpox in 1979, a global effort to vaccinate against it was a highlight in the history of the World Health Organizations.

1979天花被根除，一场全球性的疫苗接种行动成为世界卫生组织历史的一大亮点。

The Delta version of the disease, for example, can still be caught and spread by fully vaccinated people and it made its way into the U.S. while stricter travel rules were still in place.

即使是完成了疫苗接种的人群也有可能感染和传播诸如德尔塔变异毒株在内的病毒，这一情况是严格的旅行规定也无法避免的。

We go to frontline and vaccinated and feed dog, cats.

我们去前线接种疫苗，喂狗，喂猫。

It's a way of vaccinating yourself against the worst possible case of future shock.

这是一剂疫苗，能帮抵御未来可能发生的最糟糕的冲击。

Buckingham Palace announced on Sunday that she'd caught COVID, though she was fully vaccinated.

白金汉宫周日宣布，尽管女王已经完成了全剂次疫苗接种，但还是感染了新冠病毒。