病毒 (bìng dú) means “virus”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
电脑感染病毒后运行很慢。
Diànnǎo gǎnrǎn bìngdú hòu yùnxíng hěn màn.
The computer runs slowly after being infected with a virus.
Updated: 2026-05-27