infection

/ˌɪnˈfɛkʃən/

the pathological state resulting from the invasion of the body by pathogenic microorganisms

中文释义：感染；传染

Washing hands regularly can significantly reduce the risk of bacterial infection.

定期洗手可以显著降低细菌感染的风险。

The patient developed a severe lung infection after being exposed to the virus.

患者在接触病毒后出现了严重的肺部感染。