var·​i·​cel·​la | \ ˌver-ə-ˈse-lə How to pronounce varicella (audio) , ˌva-rə- \

Definition of varicella

Examples of varicella in a Sentence

Recent Examples on the Web With some pathogens, such as the varicella-zoster virus (which causes chicken pox), infection confers near-universal, long-lasting resistance. Stacey Mckenna, Scientific American, "What Immunity to COVID-19 Really Means," 10 Apr. 2020 Immunity to the varicella virus (aka, chickenpox)—either via acquiring the infection as a child or through a vaccine—can provide lifelong immunity or long-lasting protection for up to 10 to 20 years, according to the CDC. Leah Groth,, "What to Know About Active Vs. Passive Immunity—And Why Both Matter With COVID-19," 15 Apr. 2020 The Children's Hospital of Philadelphia (CHOP) says that licensure can take decades and notes that the varicella vaccine took 11 years to get FDA licensure. Daisy Hernandez, Popular Mechanics, "A Guide To the Global Battle Against the Coronavirus," 25 Mar. 2020 Chickenpox and shingles are caused by the same virus, varicella zoster. Julie Washington, cleveland, "Shingles vaccine and virus: What you need to know," 15 Dec. 2019 Experts say the varicella vaccine -- licensed for use in the United States nearly a quarter century ago -- is exceedingly safe, though it is not recommended for people who are pregnant or immunocompromised. Michael Nedelman, CNN, "Chickenpox vaccine reactivates in two boys, causing rare meningitis," 27 Nov. 2019 For the varicella or chickenpox vaccine, the report found that coverage ranged from 86.5% in Colorado to at least 99.2% in Mississippi. Jacqueline Howard, CNN, "Vaccine exemption rates among US kindergartners continue to climb, CDC says," 17 Oct. 2019 About 3 million had received the chickenpox, or varicella, vaccine, and about 3 million had not. NBC News, "Chickenpox vaccine linked to lower rates of shingles in children, study finds," 10 June 2019 After an infection, the varicella virus remains latent in nerve roots and can reactivate to cause shingles, which typically strikes decades later and can cause severe long-term nerve pain or vision loss. Tara Haelle, Scientific American, "Two-for-One: Chickenpox Vaccine Lowers Shingles Risk in Children," 11 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'varicella.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of varicella

1771, in the meaning defined above

History and Etymology for varicella

borrowed from New Latin, from vari- (in variola variola) + Medieval Latin -cella, diminutive suffix (extracted from nouns such as nāvicella, diminutive of Latin nāvicula "boat," diminutive of nāvis "ship")

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Time Traveler for varicella

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The first known use of varicella was in 1771

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Cite this Entry

“Varicella.” Dictionary, Merriam-Webster, Accessed 29 Oct. 2020.

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var·​i·​cel·​la | \ ˌvar-ə-ˈsel-ə How to pronounce varicella (audio) \

Medical Definition of varicella

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