re·​in·​fec·​tion | \ˌrē-in-ˈfek-shən \

Definition of reinfection 

: infection following recovery from or superimposed on infection of the same type

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Other Words from reinfection

reinfect \ ˌrē-​in-​ˈfekt \ transitive verb

Examples of reinfection in a Sentence

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But at least 21 people — 18 percent — had died since their heart surgery, typically from sepsis or respiratory failure, which Dr. Pollard said indicated reinfection. Abby Goodnough, New York Times, "Injecting Drugs Can Ruin a Heart. How Many Second Chances Should a User Get?," 29 Apr. 2018 Clean up and dispose of any fallen diseased leaves to help prevent a cycle of reinfection. Tim Johnson,, "Fungal diseases may be cause of brown spots on tree leaves," 26 June 2018 In a later, particularly rigorous study from 1963, 50 subjects were confined to a dormitory for an entire month to assess their ability to withstand reinfection with the same cold virus. Richard Klasco, M.d., New York Times, "Can I Catch the Same Cold Twice?," 9 Mar. 2018 Pinworm infection can be treated with over-the-counter or prescription oral medications, typically given in two doses two weeks apart to help prevent reinfection, according to the CDC. Sarah Klein,, "Why Kristen Bell's 'Anal Worms' Story Isn't as Dangerous—or as Uncommon—as It Sounds," 27 Feb. 2018 But a 2016 study found that reinfections are possible. Aimee Cunningham, Washington Post, "Although the number of Zika cases has fallen, the virus is unlikely to vanish," 4 Nov. 2017 So Zika immunity might wane over time, perhaps leading to reinfections, said pediatrician and microbiologist Peter Hotez of Baylor College of Medicine in Houston. Aimee Cunningham, Washington Post, "Although the number of Zika cases has fallen, the virus is unlikely to vanish," 4 Nov. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reinfection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of reinfection

1661, in the meaning defined above

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Last Updated

2 Nov 2018

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The first known use of reinfection was in 1661

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re·​in·​fec·​tion | \ˌrē-in-ˈfek-shən \

Medical Definition of reinfection 

: infection following recovery from or superimposed on a previous infection of the same type rescreening aimed at detecting reinfection following treatment— Diana Mahoney

Other Words from reinfection

reinfect \ -​ˈfekt \ transitive verb

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playful or foolish behavior

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