leptospirosis
noun
lep·to·spi·ro·sis
ˌlep-tə-spī-ˈrō-səs 
plural leptospiroses
ˌlep-tə-spī-ˈrō-ˌsēz
: any of several diseases of humans and domestic animals that are caused by infection with leptospires
Examples of leptospirosis in a Sentence
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Between 100 and 200 people in the U.S. get leptospirosis every year.1
Vibrio is another bacterium that resides in both saltwater and brackish water, where freshwater mixes with seawater, Pritt said.
—
Julia Ries, Health, 17 June 2025
New York isn't the only city plagued by leptospirosis cases.
—Beth Mole, Ars Technica, 17 Apr. 2024
Another crucial part of chicken care is ensuring their living area is free of rats, which can carry many diseases including hantavirus, leptospirosis, lymphocytic choriomeningitis, Tularemia, and Salmonella.
—Arick Wierson, MSNBC Newsweek, 15 Apr. 2025
Some of these can be severe, such as leptospirosis, also called Weil’s disease, which can cause kidney and liver damage and even death without treatment.
—Laura Paddison, CNN, 31 Jan. 2025
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Julia Ries, Health, 17 June 2025
New York isn't the only city plagued by leptospirosis cases.
—Beth Mole, Ars Technica, 17 Apr. 2024
Another crucial part of chicken care is ensuring their living area is free of rats, which can carry many diseases including hantavirus, leptospirosis, lymphocytic choriomeningitis, Tularemia, and Salmonella.
—Arick Wierson, MSNBC Newsweek, 15 Apr. 2025
Some of these can be severe, such as leptospirosis, also called Weil’s disease, which can cause kidney and liver damage and even death without treatment.
—Laura Paddison, CNN, 31 Jan. 2025
See All Example Sentences for leptospirosis
Cite this Entry
“Leptospirosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leptospirosis. Accessed 9 Jul. 2025.
Copy CitationMedical Definition
leptospirosis
noun
lep·to·spi·ro·sis
ˌlep-tə-spī-ˈrō-səs
plural leptospiroses
-ˌsēz
: any of several diseases of humans and domestic animals (as cattle and dogs) that are caused by infection with spirochetes of the genus Leptospira
called also lepto
see stuttgart disease, weil's diseaseLove words? Need even more definitions?
Merriam-Webster unabridged
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