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Dec 27, 2023 · Right now, two variants, JN.1 and HV.1, comprise more than half of Covid cases in the United States. JN.1 accounted for 44 percent of cases as of late December, according to the Centers for...
Jun 14, 2022 · First identified in Botswana and South Africa in November 2021, the Omicron variant quickly surged to global dominance, faster than any previously known form of the coronavirus. Over the...
Sep 1, 2023 · Although new variants are an expected part of the evolution of viruses, monitoring each one that surfaces is essential in ensuring we—in the U.S. and globally—are prepared.
Jun 22, 2021 · The variant is now responsible for more than 80 percent of infections in the United States, largely among unvaccinated people, according to the C.D.C. It is already fueling new outbreaks...
Jan 8, 2024 · A new variant of the COVID-causing virus SARS-CoV-2 is behind the latest surge in infections this winter, but it doesn't appear to cause more severe disease.
Nov 4, 2023 · Together the omicron variants make up nearly all COVID-19 infections in the United States. People who are up to date on their vaccines can get breakthrough infections. They can then spread the virus to others. But the COVID-19 vaccines can work to prevent severe illness.
Jul 2, 2021 · A new variant of the coronavirus has emerged, and scientists are working to figure out if it is more dangerous than its infamous cousin, the Delta variant, which has killed hundreds of...
