pertussis

noun

per·​tus·​sis pər-ˈtə-səs How to pronounce pertussis (audio)

Examples of pertussis in a Sentence

Recent Examples on the Web
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The DTaP vaccine, given in childhood, is 90% effective, and the Tdap vaccine administered to pregnant women in the third trimester reduces pertussis cases in newborns by 77%. Amar Duggirala, Baltimore Sun, 23 Apr. 2025 Cases of pertussis — also known as whooping cough — have skyrocketed by more than 1,500% nationwide since hitting a recent low in 2021. Jade Walker, CNN Money, 15 Apr. 2025 Whooping cough, or pertussis, is a type of respiratory infection caused by the bacterium Bordetella pertussis. Tanya Lewis, Scientific American, 4 Apr. 2025 By the numbers: As of March 8, Washington state had recorded 590 pertussis cases this year and more than 1,000 in 2024. Christine Clarridge, Axios, 25 Mar. 2025 See All Example Sentences for pertussis

Word History

Etymology

New Latin, from Latin per- thoroughly + tussis cough

First Known Use

circa 1772, in the meaning defined above

Time Traveler
The first known use of pertussis was circa 1772

Browse Nearby Words

Cite this Entry

“Pertussis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pertussis. Accessed 9 May. 2025.

Kids Definition

pertussis

noun
per·​tus·​sis pər-ˈtəs-əs How to pronounce pertussis (audio)

Medical Definition

pertussis

noun
per·​tus·​sis pər-ˈtəs-əs How to pronounce pertussis (audio)

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