来自《耶鲁大学开放课程：1600年后西方社会的流行病第6集第6集》

that is, that the rash is least spread

也就是说疹子在患者
on the trunk of the body and

躯干部位的分布及其稀少
most densely apparent on the face

而在脸部与四肢末梢的分布
and the extremities.

最为集中
Let me show you a slide of a very ill little boy,

我们来看一名重病的小男孩
and you can see this centrifugal pattern in which the

你们就可以明显看到离心分布的特点
rash is most apparent on the extremities,

疹子在四肢末梢的密集程度
rather than the trunk.

远大于躯干部位
On day two of the rash, a little further into the

在出疹子的第二天感染进一步加剧
infection, the lesions alter.

瘢痕会发生改变
At this time the macule becomes harder,

这个时候肌肉的硬度会增加
and generally rises above the surface into structures

疹子通常会升高顶端扁平