cytomegalovirus

noun
cy·​to·​meg·​a·​lo·​vi·​rus | \ ˌsī-tə-ˌme-gə-lō-ˈvī-rəs How to pronounce cytomegalovirus (audio) \

Definition of cytomegalovirus

1 : a herpesvirus (species Human herpesvirus 5 of the genus Cytomegalovirus) that in healthy individuals causes an infection that is asymptomatic or is accompanied by mild symptoms (such as fever or fatigue) but in immunocompromised individuals and newborns may cause an infection marked by serious, sometimes life-threatening symptoms (such as pneumonia, hepatitis, retinitis, brain inflammation, or seizures)
2 : infection with or disease caused by the cytomegalovirus abbreviation CMV

Examples of cytomegalovirus in a Sentence

Recent Examples on the Web But some, like cytomegalovirus and rubella, are known to cross and cause severe neurodevelopmental problems. Sara Reardon Reprints, STAT, "Covid-19 gave scientists an opening to better understand how brain disorders arise," 29 Apr. 2021 By the time humans reach old age, up to a quarter of our killer T cells are devoted to fighting human cytomegalovirus. Sarah Zhang, The Atlantic, "Why the Coronavirus Can Infect Us Without Making Us Sick," 7 Apr. 2021 Nichols, an administrator of a long-Covid support group, told me that reactivation of Epstein-Barr, cytomegalovirus and other herpesviruses occurs in a small but significant percentage of long-haulers on the site. New York Times, "What If You Never Get Better From Covid-19?," 21 Jan. 2021 Viruses lurking in the virome may also reactivate, such as Epstein-Barr virus and cytomegalovirus. David Pride, Scientific American, "Viruses Can Help Us as Well as Harm Us," 7 Dec. 2020 Scientists are already testing them against currently un-vaccinable viruses such as Zika or cytomegalovirus and trying to make improved versions of existing vaccines, such as for the flu. Sarah Zhang, The Atlantic, "The End of the Pandemic Is Now in Sight," 18 Nov. 2020 Most cytomegaloviruses don’t cause disease, and each strain has evolved to infect only one species, so the risk of a cytomegalovirus vaccine jumping between species is very low. Quanta Magazine, "Can Vaccines for Wildlife Prevent Human Pandemics?," 24 Aug. 2020 But the most common diagnosis for GGOs is viral pneumonias, most often caused by respiratory syncytial virus (RSV), cytomegalovirus, herpes simplex virus, and coronavirus. Leah Groth, Health.com, "What Do 'Ground Glass Opacities' Mean in Lung Scans of COVID-19 Patients?," 16 Apr. 2020 Other viruses, like cytomegalovirus, Zika, and rubella, can seriously harm babies in the womb—sometimes in ways that are not immediately evident at birth. Rachel Pearson, The New Yorker, "What It’s Like to Be a Pregnant Physician During the Coronavirus Outbreak," 24 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cytomegalovirus.' 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 cytomegalovirus

1960, in the meaning defined at sense 1

History and Etymology for cytomegalovirus

New Latin, from cytomegalia + -o- + virus

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Time Traveler for cytomegalovirus

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The first known use of cytomegalovirus was in 1960

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Last Updated

6 May 2021

Cite this Entry

“Cytomegalovirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytomegalovirus. Accessed 14 May. 2021.

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More Definitions for cytomegalovirus

cytomegalovirus

noun
cy·​to·​meg·​a·​lo·​vi·​rus | \ ˌsīt-ə-ˌmeg-ə-lō-ˈvī-rəs How to pronounce cytomegalovirus (audio) \

Medical Definition of cytomegalovirus

1 : a herpesvirus (species Human herpesvirus 5 of the genus Cytomegalovirus) that in healthy individuals causes an infection that is asymptomatic or is accompanied by mild symptoms (as fever or fatigue) but in immunocompromised individuals and newborns may cause an infection marked by serious, sometimes life-threatening symptoms (as pneumonia, hepatitis, retinitis, brain inflammation, or seizures)

Note: Cytomegalovirus is transmitted chiefly in infected body fluids and secretions (such as urine or saliva) and causes enlargement of infected cells and formation of inclusion bodies.

Human cytomegalovirus (HCMV), a DNA herpesvirus with more than 200 genes, is a giant among viruses.— Bernard Roizman, Science Her vision was failing at that point from CMV, cytomegalovirus, a common and usually harmless bug that can turn vicious in AIDS cases.— Peter Goldman and Lucille Beachy, Newsweek Ganciclovir and foscarnet can be used to treat respiratory tract infections caused by cytomegalovirus in immunocompromised adults.— Harvey B. Simon, Scientific American Medicine
2 : infection with or disease caused by the cytomegalovirus Many of recent patients had also been treated for viral inflections such as herpes, cytomegalovirus and hepatitis B, as well as parasitic infections such as amoebiasis and giardiasis, the CDC said.The Springfield (Massachusetts) Morning Union Cytomegalovirus retinitis can cause retinal detachment and these patients may complain of floaters, flashing lights, or loss of vision, although the onset of vision loss in these patients tends to occur more suddenly and can be described as a "curtain coming down over the eye."— Scott M. Whitcup, The Journal of the American Medical Association abbreviation CMV

More from Merriam-Webster on cytomegalovirus

Britannica.com: Encyclopedia article about cytomegalovirus

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