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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This was likely the case with the Berkeley individual who died of leptospirosis, and their living partner who also contracted the disease, Buddenhagen wrote.
—
Rachel Raposas, PEOPLE, 12 June 2026
Health officials in Berkeley said one person died and another person was hospitalized after contracting leptospirosis from rats that had infested their RV.
—Tim Fang, CBS News, 11 June 2026
The human cases of leptospirosis are the first in the city in more than a decade, City Manager Paul Buddenhagen wrote in a public health update to the city council Wednesday.
—Jason Green, Mercury News, 11 June 2026
Early hantavirus symptoms resemble influenza, dengue, COVID-19, leptospirosis, and numerous other infections, making rapid diagnosis extraordinarily difficult without specialized testing.
—Steve Brozak, Forbes.com, 15 May 2026
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Rachel Raposas, PEOPLE, 12 June 2026
Health officials in Berkeley said one person died and another person was hospitalized after contracting leptospirosis from rats that had infested their RV.
—Tim Fang, CBS News, 11 June 2026
The human cases of leptospirosis are the first in the city in more than a decade, City Manager Paul Buddenhagen wrote in a public health update to the city council Wednesday.
—Jason Green, Mercury News, 11 June 2026
Early hantavirus symptoms resemble influenza, dengue, COVID-19, leptospirosis, and numerous other infections, making rapid diagnosis extraordinarily difficult without specialized testing.
—Steve Brozak, Forbes.com, 15 May 2026
See All Example Sentences for leptospirosis
Cite this Entry
“Leptospirosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leptospirosis. Accessed 16 Jun. 2026.
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
