Search results
Dec 18, 2023 · To identify variants, scientists map the genetic material of viruses (known as sequencing) and then look for differences between them to see if they have changed. Since 2020, SARS-CoV-2, the virus that causes COVID-19, has been spreading and changing globally.
Jan 29, 2021 · Track the spread of the Covid-19 variants: the U.K. variant, the South African variant and the Brazilian variant. This map will be updated. See NBC News’ coverage of the coronavirus,...
This tracker followed early variants of the coronavirus through May 2022. It is no longer being updated. The Centers for Disease Control and Prevention regularly updates its variant estimates...
Genome sequencing enables researchers and public health authorities to identify and characterize emerging variants. Variant surveillance is important to determine if emerging mutations are rendering the virus more contagious, more potent, or resistant to existing vaccines and medicines.
Sep 1, 2023 · Since the beginning of the pandemic, we’ve seen a number of prominent variants, including Alpha, Beta, Delta, and Omicron. 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.
- 065208055
- kathy.katella-cofrancesco@yale.edu
Mar 31, 2024 · In March 2023, WHO updated its tracking system and working definitions for variants of concern, variants of interest and variants under monitoring. They can be found here. The previous working definitions can be found here.
COVID-19 Map - Johns Hopkins Coronavirus Resource Center. JHU has stopped collecting data as of. 03 / 10 / 2023. Show More. Johns Hopkins experts in global public health, infectious disease, and emergency preparedness have been at the forefront of the international response to COVID-19.
