ウイルス

ういるす
noun
virus
1. virus (biological)
A microscopic infectious agent that can only replicate inside living cells of organisms.
I was infected by a virus.
The virus multiplies inside the body.
A new virus spread around the world.
2. computer virus
Malicious software designed to spread between computers and cause damage or disruption.
Please be careful of computer viruses.
I installed antivirus software.
Opening suspicious emails can sometimes lead to a virus infection.

ウイルス comes from German/English 'virus.' Used for both biological viruses and computer malware.

COMMON COLLOCATIONS:

TYPES:

VARIANT: Also written as ウィルス. Both spellings are common.

RELATED: 細菌(さいきん) (bacteria) is different from viruses.