ways of infection

例句：

1. 1. The patientwas diagnosed with a severe case of infection.
   病人被诊断出患有严重的感染病。
2. 2.The outbreak of the virus has caused widespread infection among people.
   病毒的爆发已经导致人们普遍感染。
3. 3. Doctors are trying to prevent the spread of infection by advising good hygiene practices.
   医生们正试图通过建议良好的卫生习惯来防止感染的传播。