computer viruses
influenza viruses
viral infection
A: Did you back up your files? I am worried about computer viruses.
A：你备份文件了吗？我担心电脑病毒。
B: Yes, I did. I also installed an antivirus program to prevent viruses.
B：是的，我备份了。我还安装了杀毒软件来防止病毒。
1) 微生物：引起疾病的感染源。
2) 计算机术语：一种破坏数据的恶意代码。
3) 隐喻：指迅速传播的事物。
1. 微生物
noun
1. Microscopic agents that cause disease in living organisms, or malicious computer programs.
Synonym: germs, pathogens