Coronavirus variants and mutations: The science explained - BBC
Jan 6, 2021 · The rapid spread of coronavirus variants has put the world on alert and triggered a new lockdown in the UK. What are these variants and why are they causing concern?
Tracking SARS-CoV-2 variants - World Health Organization (WHO)
Mar 27, 2024 · From May 2021 onwards, WHO began assigning simple, easy-to-say labels for key variants. Considerable progress has been made in establishing and strengthening a global system to detect signals of potential VOIs or VOCs and rapidly assess the risk posed by SARS-CoV-2 variants to public health.
COVID-19 variants | WHO COVID-19 dashboard - datadot
COVID-19 variants: It is usual for viruses to change and evolve as they spread between people over time. When these changes become significantly different to a previously detected virus, these new virus types are known as “variants.”
COVID Variants: What You Should Know | Johns Hopkins Medicine
Apr 8, 2022 · Alpha, beta, gamma, delta and omicron variants of the SARS-CoV-2 coronavirus are classified as variants of concern. A variant of high consequence is a variant for which current vaccines do not offer protection. As of now, there are no …
Coronavirus disease (COVID-19): Variants of SARS-COV-2
Nov 20, 2023 · What are variants of SARS-COV-2, the virus that causes COVID-19? It is usual for viruses to change and evolve as they spread between people over time. When these changes become significantly different to a previously detected virus, these new virus types are known as …
Why a highly mutated coronavirus variant has scientists on alert
Aug 21, 2023 · Researchers are racing to determine whether a highly mutated coronavirus variant that has popped up on three continents will be of global concern — or whether the fuss will turn out to be much...
Beyond Omicron: what’s next for COVID’s viral evolution
Dec 7, 2021 · Variants such as Omicron and Delta carry mutations that blunt the potency of antibodies raised against past versions of SARS-CoV-2. And the forces propelling this ‘antigenic change’ are...