To infect something is to cause it to get sick or to have something bad happen to it. When you infect your computer with a virus, you're causing it to get infected with a virus.
The virus infected the computer system.
He was infected with the virus at the hospital.
verb
contaminate with a disease or microorganism
Synonyms:
verb
affect in a contagious way
verb
communicate a disease to
verb
corrupt with ideas or an ideology
1
Episodes are triggered by febrile illness, infection, or fasting.
2
The virus may have already crossed the placenta to infect the fetus.
3
Feral populations can also pass on transmissible infections to domestic herds.
4
It infects the remainder of the pages.
5
The infection is preventable by vaccination.
6
The infection is very contagious.
7
The origin of the infection is unknown.
8
It is the result of an untreated syphilis infection.
9
Multiple infections of the erythrocyte are uncommon.
10
Infection is related to the ingestion of seafood.