vaccinia

noun
vac·​cin·​ia | \ vak-ˈsi-nē-ə How to pronounce vaccinia (audio) \

Definition of vaccinia

1 or vaccinia virus : a poxvirus (species Vaccinia virus of the genus Orthopoxvirus) that differs from but is closely related to the viruses causing smallpox and cowpox and that includes a strain used in making vaccines against smallpox
2 : a reaction to smallpox vaccine prepared from live vaccinia virus that may involve a rash, fever, headache, and body pain

Other Words from vaccinia

vaccinial \ vak-​ˈsi-​nē-​əl How to pronounce vaccinia (audio) \ adjective

Examples of vaccinia in a Sentence

Recent Examples on the Web Older smallpox vaccines used a form of the vaccinia that could replicate, creating the risk of infection from the vaccine itself. Denise Roland, WSJ, 24 May 2022 This site is protected by recaptcha Privacy Policy | Terms of Service ACAM2000, which is manufactured by Emergent BioSolutions, relies on a live vaccinia virus that can replicate. Evan Bush, NBC News, 23 May 2022 For years, Jacobs has genetically modified vaccinia to create vaccines for other diseases, such as HIV. Amanda Morris, azcentral, 11 Feb. 2020 The third prong of attack is through Jacobs, who will genetically modify a smallpox vaccine known as vaccinia in order to target the new coronavirus. Amanda Morris, azcentral, 11 Feb. 2020 Third, smallpox has a highly effective vaccine, made from a virus closely related to smallpox called the vaccinia virus. Quanta Magazine, 3 Dec. 2019 Current vaccines are made from another related virus called vaccinia. NBC News, 13 July 2018 The researchers, led by poxvirus expert Andreas Nitsche of the Robert Koch Institute in Berlin, Germany, decoded the entire genetic blueprint of the vaccinia strain. Beth Mole, Ars Technica, 12 Oct. 2017 Horsepox virus, smallpox virus, and the vaccinia virus that is used in smallpox vaccines are part of a closely related group of pox viruses. Gregory D. Koblentz, Slate Magazine, 19 Oct. 2017 See More

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

First Known Use of vaccinia

1803, in the meaning defined at sense 1

History and Etymology for vaccinia

earlier, "cowpox," from New Latin vaccina (in variolae vaccinae "cowpox") + -ia -ia entry 1 — more at vaccine

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The first known use of vaccinia was in 1803

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Dictionary Entries Near vaccinia

vaccine passport

vaccinia

Vacciniaceae

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Cite this Entry

“Vaccinia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vaccinia. Accessed 15 Aug. 2022.

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More Definitions for vaccinia

vaccinia

noun
vac·​cin·​ia | \ vak-ˈsin-ē-ə How to pronounce vaccinia (audio) \

Medical Definition of vaccinia

1a : cowpox
b : a reaction to smallpox vaccine prepared from live vaccinia virus that may involve a rash, fever, headache, and body pain
2 or vaccinia virus : a poxvirus of the genus Orthopoxvirus (species Vaccinia virus) that differs from but is closely related to the viruses causing smallpox and cowpox and that includes a strain of uncertain natural origin used in making vaccines against smallpox

Other Words from vaccinia

vaccinial \ -​ē-​əl How to pronounce vaccinia (audio) \ adjective

More from Merriam-Webster on vaccinia

Britannica.com: Encyclopedia article about vaccinia

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