This is the 40th most frequent Chinese word.
病毒
Virus.
Here, '病毒' is used metaphorically again to indicate harmful digital elements, analogous to misinformation spreading like a virus.
有些网络病毒会传播虚假信息。
Some internet viruses spread false information.
Here, '病毒' refers to a computer virus, in a metaphorical sense, showing the versatility of the term.
这个计算机系统感染了病毒。
This computer system is infected with a virus.
In this context, '病毒' signifies a biological virus, as commonly discussed in health and medicine.