acellular
acel·lu·lar [ (ˌ)ā-ˈsel-yə-lər]
1 : containing no cells
//acellular vaccines
2 : not divided into cells : consisting of a single complex cell
—used especially of protozoa and ciliates
Recent Examples on the Web
//For the diphtheria and tetanus toxoids and acellular pertussis vaccine or DTaP, coverage ranged from 88.8% in Idaho to at least 99.2% in Mississippi, according to the report.
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Jacqueline Howard, CNN, "Vaccine exemption rates among US kindergartners continue to climb, CDC says," 17 Oct. 2019
//First, for unclear reasons, protection conferred by the acellular vaccine waned over time.
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Quanta Magazine, "Vaccines Are Pushing Pathogens to Evolve," 10 May 2018
//The pertussis formulation, known as whole-cell, was replaced in the 1990s with acellular versions contained in the current DTaP and Tdap vaccines.
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New York Times, "Vaccine Injury Claims Are Few and Far Between," 18 June 2019
//There is also another, less publicized, method of producing animal products called acellular agriculture.
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Andrew Amelinckx, Smithsonian, "What a Vice President of the Humane Society Has To Say About Lab-Grown Meat," 12 Dec. 2017
//The new state rules also require some additional vaccinations for polio and meningitis, in addition to those already required for tetanus, diphtheria, acellular pertussis, measles, mumps, rubella, hepatitis B and children pox.
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Rita Giordano, Philly.com, "Pa. families appear to embrace tougher school vaccination rules," 13 Sep. 2017
//The four vaccines for entering kindergarten remain the same: 1) chicken pox, 2) polio, 3) measles/mumps/rubella (MMR) and 4) diphtheria, tetanus and acellular pertussis (DTaP) for children under seven years.
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Cincinnati.com, "Important vaccination recommendations and updates for teens, preteens," 14 Aug. 2017
//Pennsylvania also requires vaccination against tetanus, diphtheria, acellular pertussis, measles, mumps, rubella, hepatitis B, and chickenpox.
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Rita Giordano, Philly.com, "New Pa. health rule: Get your kids vaccinated or they can't go to school," 8 Aug. 2017
First Known Use of acellular
1857, in the meaning defined at sense 1
History and Etymology for acellular
Dictionary Entries near acellular