首先是从妈妈脚趾上的一个小水疱开始的。

It started with a tiny blister on my mom's toe.

youdao

皮疹的变化从斑丘疹(底部扁平的病变)，一直到小水疱(充满液体的小疱)、脓疱，大约10天左右伴随而来的便是结痂。

Evolution of the rash from maculopapules (lesions with a flat bases) to vesicles (small fluid-filled blisters), pustules, followed by crusts occurs in approximately 10 days.

youdao