rubrum scarlatinum

例句：

1. 1. The doctor diagnosed him with rubrum scarlatinum.
   医生诊断他患有猩红热。
2. 2. Rubrum scarlatinum is a serious disease that requires immediate medical attention.
   猩红热是一种严重的疾病，需要立即就医。
3. 3. Many people suffer from rubrum scarlatinum due to poor hygiene and lack of proper ventilation.
   由于卫生条件差和通风不良，许多人患有猩红热。