infected with a virus vs infected by a virus

Both "infected with a virus" and "infected by a virus" are correct and commonly used phrases in English. The choice between the two depends on the context and personal preference.

Last updated: March 31, 2024 • 823 views

This phrase is correct and commonly used in English.

"infected with a virus"

This phrase is used when referring to the state of being affected by a virus. It indicates that the person or thing has the virus within them.

Examples:

He was infected with a virus and had to stay home.
The computer system was infected with a virus.

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People say Hawkins was infected with a virus.
The CIA believes that your software has been infected with a virus, that when released, will cause worldwide computer damage.
That bomb went off to hide something: Bodies infected with a virus you detected.
I am aware that SG1 was infected with a virus and then cured by an Ancient found frozen, down in Antarctica.
Your computer's now infected with a virus, the same one that took down Westgroup.
It was just infected with a virus, which means it'll have corrupted the code by now.
The CIA believes that its software was infected with a virus that when will be 'released, cause' Damage to computers around the world.
Double strand again, but inside them, they're infected with a virus that has a nice, long, single-stranded genome that we can fold like a piece of paper.

Alternatives:

affected by a virus
contracted a virus

This phrase is correct and commonly used in English.

"infected by a virus"

This phrase is also used when referring to the state of being affected by a virus. It indicates that the virus was the agent causing the infection.

Examples:

The patient was infected by a virus while traveling.
The crops were infected by a virus.

Show examples from the web [+]

Example: If you have a suspicion that your computer is infected by a virus which is not detected by your antivirus program, follow the step-by-step instructions below: Run ESET SysInspector to generate a new system snapshot.
To recover from a boot sector that has been infected by a virus, it is usually best to use a commercial anti-virus program.
Cyclamen infected by a virus in the young leaves
Cyclamen flower infected by a virus
But he lost it all one day when his computer, which stored his address book, was infected by a virus.
Always have an antivirus installed in your Mac computer so that your computer hard drive does not get infected by a virus
When a computer is infected by a virus it is imperative that the virus be removed as quickly as possible.If a computer is infected by a computer virus the computer needs to be scanned by virus scanning software.
Dean becomes infected by a virus that causes fear.
Subject: Nematode infected by a virus gives researchers hope
So it used to be fairly easy to know that you're infected by a virus, when the viruses were written by hobbyists and teenagers.
The download of a pirated and illegal program increases the likelihood of both a PC's security being compromised and the risk of it becoming infected by a virus or malware.
Plants have developed defence mechanisms to protect themselves from attack by foreign DNA molecules such as those that enter cells when plants are infected by a virus.
They were infected by a virus after being bitten by insects on a planet approximately 70 light-years from here in a system with a yellow dwarf star.
For example, if the cell is infected by a virus, the HLA system brings fragments of the virus to the surface of the cell so that the cell can be destroyed by the immune system.
So it used to be fairly easy to know that you're infected by a virus, when the viruses were written by hobbyists and teenagers.

Alternatives:

affected by a virus
contracted a virus

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infected with a virus vs infected by a virus