It is rare, but measles can cause permanent brain damage and death.

罕见的是，麻疹可以引起永久性脑损伤和死亡。

youdao

In developing countries, this figure is often close to twice as high due to the higher risk of experiencing conditions that can lead to permanent brain damage.

发展中国家通常是这一数字的几乎两倍，这是由于这些国家面临着可导致永久性大脑损伤境况的更高风险。

youdao

The drug may cause permanent brain damage.

这种药可能会引起永久性的脑部伤害。

youdao

Permanent brain damage and death may result.

VOA: special.2010.07.27

The injury disrupts normal function of the brain and can lead to permanent damage.

VOA: standard.2010.05.25

Damages incurred from medical expenses that they did not anticipate from permanent brain damage.

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But this change appears to be reversible, and not to lead to permanent brain damage.

BBC: NEWS | Health | Smoking diseases alter the brain

The current final protocol provides the top priority of payment to the families of - the four families who lost loved ones and those who were double amputees or suffered permanent brain damage.

NPR: Managing The $30 Million 'One Fund' To Aid Boston Victims