virus infection

例句：

1. 1. The virus infection has been spreading rapidly across the country.
   这种病毒感染正在迅速在全国传播。
2. 2. The doctor advised us to get vaccinated against the virus infection.
   医生建议我们接种疫苗来预防病毒感染。
3. 3.The patient was diagnosed with a virus infection and treated accordingly.
   患者被诊断出患有病毒感染，并接受了相应的治疗。