coinfection

noun

co·​in·​fec·​tion kō-in-ˈfek-shən How to pronounce coinfection (audio)
variants or co-infection
plural coinfections or co-infections
: concurrent infection of a cell or organism with two or more pathogenic agents
coinfection with influenza A and SARS-CoV-2
coinfect transitive verb
or co-infect
coinfected or co-infected; coinfecting or co-infecting; coinfects or co-infects
Some experts suspect that superspreaders might have a more virulent strain of coronavirus or be co-infected with other microbes. Aparisim Ghosh

Examples of coinfection in a Sentence

Recent Examples on the Web How big of a risk is coinfection with Covid and other viruses? Erika Edwards, NBC News, 1 Mar. 2024 Last year, the CDC tracked coinfections in the U.S. and found that 3% of people hospitalized with the flu also tested positive for Covid. Akshay Syal, M.d., NBC News, 6 Jan. 2024 And only 10% of patients were estimated to have a bacterial coinfection. Erin Prater, Fortune Well, 17 Jan. 2024 During the coinfection, the two segmented influenza viruses could exchange bits of genetic code and combine to create a chimeric virus. Evan Bush, NBC News, 11 Feb. 2023 Another study of patients hospitalized with viral or bacterial infections found that nearly half had a coinfection with another pathogen. Hayley Muendlein, The Conversation, 17 Aug. 2022 Scientists there decided to start hunting for examples of coinfection and possible recombination earlier this year. Erin Allday, San Francisco Chronicle, 10 Mar. 2022 Two cases of coinfection have already been reported in another study currently under review, the study's authors stated. Erin Prater, Fortune, 13 Mar. 2022 Bay Area scientists agreed that recombination due to delta and omicron coinfection isn’t surprising. Erin Allday, San Francisco Chronicle, 10 Mar. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'coinfection.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of coinfection was in 1872

Dictionary Entries Near coinfection

Cite this Entry

“Coinfection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coinfection. Accessed 19 Apr. 2024.

Medical Definition

coinfection

noun
co·​in·​fec·​tion
variants or co-infection
: concurrent infection of a cell or organism with two or more pathogenic agents
pneumonia caused by coinfection with an orthomyxovirus and a streptococcus
coinfect transitive verb
or co-infect
Last Updated: - Updated example sentences
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