pertussis

noun

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

Examples of pertussis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Mason said pertussis is especially dangerous to babies too young to receive the vaccine. Jackie Fortiér, CNN Money, 28 July 2025 That number is often measured as children who are missing their first dose of the diphtheria, tetanus, and pertussis vaccine. Gabrielle Emanuel, NPR, 24 June 2025 Whooping cough, or pertussis, fell from nearly 201,000 cases to 5,611. Michael Hiltzik, Los Angeles Times, 3 June 2025 That’s because newborns are most at risk for pertussis. Melissa Dahl, NBC News, 22 Feb. 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 22 Aug. 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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