The doctor confirmed her rash and sore throat were caused by scarlatina.

scarlatina 是医学名词，来自拉丁语 scarlatum（猩红色）加上表示疾病的后缀 -ina，指由链球菌感染引起的急性传染病，特征为全身出现猩红色皮疹，中文称为"猩红热"。