The invention of vaccines was a medical breakthrough.

疫苗的发明是一项医学上的突破。

Vaccines are essential to defending against infection.

疫苗对预防感染非常重要。

Covid-19 vaccines could pave the way for more groundbreaking mRNA treatments.

Covid-19疫苗可能为更多突破性的mRNA治疗铺平道路。

Not a single scientific study has found a link between vaccines and autism.

没有科学研究发现疫苗和自闭症之间有关联。

New treatment for Covid-19, vaccines starting final trials

新冠肺炎新疗法出现，疫苗进入最终试验阶段

The government said it plans to focus on vaccines and testing instead of vaccine passports and lockdowns.

英国政府表示，他们计划将重点放在疫苗和测试上，而不是疫苗护照和封锁限制。

The arrival of multiple vaccines means there is a light at the end of the tunnel.

多种疫苗的问世意味着黑暗中曙光的到来。

Despite vaccines beginning to be rolled out, Covid-19 cases are still staggeringly high.

尽管新冠疫苗已经开始推广，但新增病例数量依然居高不下。

The mRNA-based vaccines have the same high safety and efficacy standards as an inactive virus vaccine.

这种基于mRNA的疫苗在安全性和效力方面和病毒灭活疫苗有着同样的高标准。

Before mRNA vaccines were a billion-dollar idea, they were a scientific dead end.

mRNA新冠疫苗在成为数十亿美元的大生意之前，曾差点在科学大道上走进死胡同。

In most places, yes. I can't believe how much opposition vaccines still face though.

在大多数地方是的。不过，我真不敢相信还有这么多人反对疫苗。

Anti-malarial vaccines are now undergoing trials.

抗疟疾疫苗现在正处于试验阶段。

My guess is that the chance that these vaccines will work is zero.

我的猜想是这些疫苗将起作用的可能性为零。

Twelve potential vaccines are currently being tested on human volunteers.

12种潜在疫苗目前正在人体志愿者身上测试。

They're all over each other sometimes and viruses and vaccines can spread saliva or other fluids.

有时候他们会缠绵不休，而且病毒和疫苗可以传播唾液或其它液体。

If it was converted into a weapon, where would the vaccines protect the rest of the country come from?

如果它被转化成武器，去哪里才能找来保护国家的疫苗呢？