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单词 bivalent
释义

bivalent

1 of 2

adjective

bi·​va·​lent (ˌ)bī-ˈvā-lənt How to pronounce bivalent (audio) ˈbī-və- How to pronounce bivalent (audio)
1
chemistry : having a valence of two : divalent
bivalent calcium
2
genetics : associated in pairs in synapsis
bivalent chromosomes
3
immunology : having two combining sites
a bivalent antibody capable of binding to two molecules of an antigen
4
medical : conferring immunity to two diseases or two serotypes
a bivalent vaccine

bivalent

2 of 2

noun

: a pair of synaptic chromosomes

Example Sentences

Recent Examples on the Web
Noun
The study also showed that the side effects associated with the Omicron BA.1 bivalent vaccine were similar to those of the original vaccine. Time, 16 Sep. 2022 So far, the vaccine has only been tested in small animals, but this bivalent vaccine provided stronger protection than alternatives that targeted only one of the proteins. Andrew J. Campa, Los Angeles Times, 15 Sep. 2022 Pfizer administered its bivalent vaccine among 600 people age 12 and older. Paul Sisson, San Diego Union-Tribune, 9 Sep. 2022 The Food and Drug Administration gave emergency use authorization last week to a new bivalent vaccine that targets both the original virus and the BA.4 and BA.5 variants that now dominate the world. Adrianna Rodriguez, USA TODAY, 8 Sep. 2022 John Moore, an immunologist at Weill Cornell Medicine, has argued, for various technical reasons, that predictions of the efficacy of the new bivalent vaccine are uncertain. Helen Branswell, STAT, 6 Sep. 2022 Half of the new booster, known as a bivalent vaccine, contains the original formulation, while the other half carries a recipe against BA.4 and BA.5, by far the most contagious versions of the virus since coronavirus swept the globe in 2020. Lena H. Sun, Anchorage Daily News, 2 Sep. 2022 When will the bivalent vaccine be available for younger groups? Kellie Hwang, San Francisco Chronicle, 31 Aug. 2022 How effective Pfizer's new bivalent vaccine is compared to the existing vaccines remains unclear. Berkeley Lovelace Jr., NBC News, 22 Aug. 2022 See More

Word History

First Known Use

Adjective

1869, in the meaning defined at sense 1

Noun

circa 1934, in the meaning defined above

Medical Definition

bivalent 1 of 2

adjective

bi·​va·​lent (ˈ)bī-ˈvā-lənt How to pronounce bivalent (audio)
1
a
: divalent
bivalent calcium
b
: having two combining sites
a bivalent antibody capable of binding to two molecules of an antigen
2
: associated in pairs in synapsis
bivalent chromosomes
3
: conferring immunity to two diseases or two serotypes
a bivalent vaccine protecting against hepatitis A and hepatitis B

bivalent

2 of 2

noun

: a pair of synaptic chromosomes
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更新时间:2024/11/13 12:17:27