The omicron variant of SARS-CoV-2 diverged from previous SARS-CoV-2 variants as a result of adaptive evolution, in which beneficial mutations are passed on to future generations through natural selection, rather than through ...
Jan 26, 2022
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New research shows that two doses of an mRNA COVID-19 vaccine result in lower effectiveness for preventing hospitalization for the omicron variant (65 percent) than previous variants, including alpha (85 percent) and delta ...
Feb 11, 2022
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A recent study jointly conducted by the LKS Faculty of Medicine, The University of Hong Kong (HKUMed) and the Faculty of Medicine, The Chinese University of Hong Kong (CU Medicine) has revealed that Omicron, the latest COVID-19 ...
Dec 13, 2021
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Omicron appears to have hit America's youngest children much harder than any previous variant of the virus, a new government report shows.
Mar 16, 2022
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There is not yet enough evidence to recommend Omicron-specific COVID-19 jabs over the original versions, the World Health Organization's vaccine experts said Tuesday.
Oct 11, 2022
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As the omicron variant sweeps through South Africa, Dr. Unben Pillay is seeing dozens of sick patients a day. Yet he hasn't had to send anyone to the hospital.
Dec 11, 2021
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If you get infected with COVID-19, the time from infection to possible onset of symptoms—the incubation period—is significantly shorter now than it was at the beginning of the pandemic, new research shows.
Aug 23, 2022
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The latest omicron subvariants—including the BA.4 and BA.5 forms causing new surges in infections in the United States—are even better at eluding vaccines and most antibody treatments than previous variants, finds a study ...
Jul 5, 2022
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Nearly two-thirds of people in England who tested positive for COVID-19 in January previously had the virus or suspected they had it, a large long-running infection survey revealed Wednesday.
Jan 26, 2022
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An immune-compromised man with a year-and-a-half-long COVID infection served as a breeding ground for dozens of coronavirus mutations, a new study discovered.
Apr 19, 2024
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