Yahoo Web Search

Search results

  1. May 30, 2024 · A new variant of COVID-19, known as FLiRT, is now the most dominant strain in the U.S. This variant, which evolved from the omicron strain, is characterized by changes in its spike protein — the part of the virus that binds to host cells.

  2. Nov 4, 2023 · Concern over variants, sometimes called strains, of the virus that causes COVID-19 is based on how the virus might change. A virus could get better at infecting people, spread faster or cause people to get sicker.

  3. Apr 8, 2022 · A variant of concern has been observed to be more infectious, and is more likely to cause breakthrough infections or reinfections in those who are vaccinated or previously infected. These variants are more likely to cause severe disease, evade diagnostic tests, or resist antiviral treatment.

  4. Sep 1, 2023 · New variants are an expected part of the evolution of viruses, and that includes SARS CoV-2, the virus that causes COVID-19. Yale Medicine provides some background on key variants that have surfaced during the course of the pandemic.

  5. Aug 5, 2021 · According to an internal CDC document, the Delta variant – one of four “variants of concern” that have evolved from SARS-CoV-2, the virus that causes COVID-19 – is more than twice as infectious as the original virus and as infectious as chickenpox.

  6. 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...

  7. 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.

  8. Aug 6, 2021 · Studies show that Delta replicates more quickly and generates more virus particles than other variants, but vaccines still protect against serious infections.

  9. Jun 3, 2024 · Two of these variants, KP.3 and KP.2, now account for nearly half of all cases, and data from the Centers for Disease Control and Prevention shows a small increase in Covid-related emergency room ...

  10. Jun 14, 2022 · Omicron was 3.6 times more likely to infect people with boosters sharing the same house than Delta. But it was barely more likely to infect unvaccinated people.

  1. People also search for