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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For young infants, pertussis can cause severe disease and even death. Jasmine Laws, MSNBC Newsweek, 11 Dec. 2025 That includes public doubts about an early childhood vaccine that can prevent pertussis, or whooping cough. Jim Morrill, Charlotte Observer, 11 Dec. 2025 In 2024, San Diego County reported 547 cases of pertussis (whooping cough), a sharp increase from 332 the previous year. Inna Fishman, San Diego Union-Tribune, 4 Dec. 2025 Vaccines for pertussis, of which there are two, are chosen and administered based on age group. Amaris Encinas, USA Today, 29 Nov. 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 17 Dec. 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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