再感染

Reinfection can occur when a person is exposed to the same pathogen again after having recovered from an initial infection.
意译：在初次感染后再次接触同一病原体时可能发生再感染。
The risk of reinfection with COVID-19 is higher in those with weakened immune systems.
中译：对于免疫系统较弱的人来说，重新感染新冠病毒的风险较高。
Post-vaccination reinfections have been observed in some vaccinated individuals, particularly with less effective vaccines.
中译：在一些接种疫苗的人群中，特别是在疫苗效果较差的情况下，观察到了疫苗接种后的再感染现象。
Prevention of reinfection is crucial for controlling the spread of seasonal influenza.
中译：防止再感染对于控制季节性流感的传播至关重要。
Antibody waning can lead to reinfection in people who have previously recovered from measles.
中译：抗体水平下降可能导致麻疹康复者再次感染。
Reinfection rates for malaria are high in regions where proper treatment and vector control are lacking.
中译：在缺乏适当治疗和媒介控制的地区，疟疾的再感染率很高。
A second dose of the vaccine was administered to prevent reinfection among those who had previously contracted the disease.
中译：为那些曾患病的人接种第二剂疫苗以防止再感染。
Herpes simplex virus can cause recurrent or reinfection due to its ability to establish latency in the body.
中译：单纯疱疹病毒因其能在体内形成潜伏状态而可能导致复发或再感染。
The study found that frequent handwashing significantly reduced the likelihood of reinfection with gastrointestinal pathogens.
中译：研究发现，经常洗手显著降低了感染消化道病原体再感染的可能性。
Reinfection with a strain resistant to antibiotics is a major concern in the context of antibiotic resistance.
中译：对抗生素耐药性的菌株再感染是抗生素耐药性背景下的一大关注点。