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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
catch virus
Grammar usage guide and real-world examplesUSAGE SUMMARY
No, "catch virus" is not correct grammar.
A better way to say it would be "catch a virus" or "contract a virus." This phrase can be used in written English when describing how someone becomes infected with a virus. Example: "If you don't wash your hands regularly, you are more likely to catch a virus."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
catch the fly
catch the virus
contract a virus
take a liking to
fall for
contract a disease
caught the bug
get hooked on
become enamored with
catch the error
fetch the bug
trapping the bug
catch influenza
catch the problem
capture the bug
develop a passion for
become keen on
acquire a taste for
catch the glitch
stopped the bug
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
Points To Ohio In Report On Aug. 14 Blackout Microsoft Offers $500K To Catch Virus Writers U.S. Prosecutors Plan Retrial Of Frank Quattrone UnumProvident Q3 Earnings Fall HealthSouth Interim Chair Says Ex-CEO Led Fraud Verizon, DirecTV To Unveil Marketing Pact.
News & Media
The number of rodents that catch virus divided by the number of rodents captured is the season's virus-carrying rate among rodents in that field.
Science
The number of rodents that catch virus is very small compared with the number of traps, so it follows Poisson distribution, which is derived as a limiting case of the binomial distribution.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"We want to catch viruses at the point they are just entering the human population".
News & Media
I catch viruses.
News & Media
People with weakened immune systems tend to catch viruses and bacterial infections easily, resulting in coughs, colds, and fevers, which can lead to bronchitis.
Wiki
"I do not fear HIV as it is now understood," he explains, at one point, "a fragile, hard-to-catch virus that leads to an infection that is largely managed with drugs..
News & Media
"People have always caught virus and died.
News & Media
Pretty soon the most ubiquitous piece of software on a personal computer will not be for word processing or spreadsheet calculations: It will be the one that catches viruses.
News & Media
Most people who catch this virus feel fine.
News & Media
PAGE 17 Can a Car Catch a Virus?
News & Media
Expert writing Tips
Best practice
Use "catch a virus" or "contract a virus" for grammatically correct phrasing. Always include the article "a" when referring to a single instance of a virus being contracted.
Common error
Avoid saying just "catch virus". The correct phrasing is "catch a virus" or "contract a virus". Without the article, the phrase is grammatically incorrect.
Source & Trust
83%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "catch virus" functions incorrectly as a verb phrase aiming to describe the action of becoming infected. Ludwig AI indicates that it's grammatically incorrect; the correct form requires the article 'a' to be grammatically sound as in the phrase "catch a virus".
Frequent in
News & Media
37%
Science
33%
Wiki
17%
Less common in
Formal & Business
3%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "catch virus" may be understood in informal settings, it's grammatically incorrect. As Ludwig AI points out, the correct phrasing is "catch a virus" or, in more formal contexts, "contract a virus". The phrase's primary purpose is to describe the process of becoming infected, and it typically appears in neutral contexts like news and general health discussions. Remember to always include the article "a" for grammatical correctness. It is rarely used, but if you want to avoid grammatical mistakes use a synonymous phrase such as "become infected with".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
contract a virus
This is a more formal and grammatically correct alternative.
become infected with a virus
This alternative is more descriptive and emphasizes the state of being infected.
acquire a viral infection
This is a more formal and clinical way of expressing the same idea.
get a virus
This is a very common and informal way to say the same thing.
come down with a virus
A common, slightly less formal way of saying someone has become ill with a virus.
pick up a virus
Implies accidentally or casually acquiring the virus.
develop a viral infection
Focuses on the development of the infection after exposure.
suffer from a viral infection
Emphasizes the negative experience of having a viral infection.
be exposed to a virus
Indicates contact with the virus, though not necessarily infection.
succumb to a virus
Suggests a vulnerability or weakness leading to infection.
FAQs
What's the correct way to say "catch virus"?
The grammatically correct way to express this is to say "catch a virus" or "contract a virus". The inclusion of the article "a" is crucial.
Is it okay to say "catch virus" in informal conversation?
While it might be understood in very informal contexts, it's generally best to use the grammatically correct phrase "catch a virus" even in casual speech.
What does it mean to "catch a virus"?
To "catch a virus" means to become infected with a virus, leading to illness or a medical condition. It implies that you have been exposed to the virus and your body has not been able to fight it off.
Are there more formal alternatives to "catch a virus"?
Yes, a more formal alternative would be to "contract a virus" or "acquire a viral infection". These options are often used in medical or scientific contexts.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
2.5/5
Expert rating
Real-world application tested