感染 (gǎn rǎn): Infect (Verb) — Meaning & Stroke Order

He has a cold and can infect others.

The wound was not treated promptly, ultimately leading to a severe bacterial infection.

Don't worry, this common cold won't easily infect healthy people.

Her optimistic mood infected everyone present.

An optimistic attitude can not only improve oneself but also influence and inspire those around.