再感染

例句：

1. 1. The patient wasadmitted to the hospital for treatment of arecurrent infection.
   这名患者因反复感染被送进了医院接受治疗。
2. 2. After the surgery, she had to take antibiotics fora few days to prevent a reinfection.
   手术后，她不得不服用几天抗生素以防止再次感染。
3. 3. Doctors recommend that patients with weakened immune systems receive regular vaccinations toprevent reinfection.
   医生建议免疫系统较弱的患者定期接种疫苗以防止再次感染。