### Chinese: 这3人都是学生，本月初从国外旅行回来，由于均为轻症，并未入院治疗。
### English: All three were students. They returned from a trip abroad earlier this month and were not admitted to hospital for treatment because they were all mild <v>illnesses</v>.

### Improved English: All of the 3 infected people were students who came back after traveling in other countries at the beginning of this month; all of them were not hospitalized because they were mild cases.
