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 diphtheria, tetanus and pertussis (DTaP/Tdap) vaccine, which protects against whooping cough, is required for all children in the state. Evan Moore, Charlotte Observer, 7 Mar. 2025 Infants don’t get their own pertussis shots until two months old, and contracting the virus before then can cause severe illness and even death. Fran Kritz, Verywell Health, 7 Mar. 2025 In 1991, the diphtheria-tetanus-acellular pertussis (DTaP) vaccine was licensed in the United States. Melissa Dahl, NBC News, 22 Feb. 2025 That displaces Ohio, which had been the state with the most pertussis infections for many recent weeks. Alexander Tin, CBS News, 11 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 25 Mar. 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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