persistent infection

例句：

1. 1. The patient's persistent infection has been a major concern for the medical team.
   患者的持续感染一直是医疗团队的一个主要担忧。
2. 2. The researcher found that the persistent infection could be caused by a specific gene mutation.
   研究者发现，持续感染可能是由特定的基因突变引起的。
3. 3. The doctor advised the patient to continue taking antibiotics and follow up with a follow-up appointment.
   医生建议患者继续服用抗生素，并按照预约时间进行复诊。