1N-COUNT 病毒 A virus is a kind of germ that can cause disease. 病毒
There are many different strains of flu virus.
流感病毒有很多不同类型。
...HIV, the virus believed to cause AIDS. HIV
，一种据信会引发艾滋病的病毒
2N-COUNT 病毒 In computer technology, a virus is a program that introduces itself into a system, altering or destroying the information stored in the system. 病毒 [computing]
Hackers are said to have started a computer virus.