viral
🇺🇸
/ˈvaɪrəl/
🇬🇧
/ˈvaɪrəl/
related to a virus or caused by a virus
He was diagnosed with a viral infection.
他被诊断出患有病毒感染。
quickly spreading online and becoming very popular
The funny cat video went viral on social media.
这个搞笑的猫咪视频在社交媒体上走红了。