但是又经过27个月后，幸存的感染艾滋病的儿童中只有一半的抗体浓度维持在有效水平，而健康儿童的数字几乎是90%。

But after a further 27 months, only half of the surviving HIV-infected children maintained antibody levels high enough to protect against measles, versus almost 90 per cent of healthy children.

youdao

在经过此次研究后，我们能够掌握如何生产出这种保护性的抗体酶，而未来的目标则是将其生产为可预防艾滋病毒的疫苗，从源头遏制这种可怕的病毒的传播。

We have learned a lot from this research about how to induce the production of the protective abzymes on demand. This is the Holy Grail of HIV research -- development of a preventative HIV vaccine.

youdao

经过一个月、三个月的艾滋病病毒抗体(HIV)跟踪检测，这些医护人员均未被艾滋病病毒感染。

After a month, three months of HIV antibody (HIV) tracking and detection, none of these health care workers were infected with HIV.

youdao