Variants and Genomic Surveillance | COVID-19 | CDC Some variants will emerge and disappear, while others will emerge and continue to spread and may replace previous variants It is important to track the emergence of variants so that those of interest can be further characterized in the lab to determine if they evade immunity and how they spread
New COVID Variant BA. 3. 2 Found in 25 States: What Are . . . A new COVID variant known as BA 3 2 has been detected across 25 U S states and may make immunity from vaccines or past infections less effective BA 3 2 is a heavily mutated subvariant of Omicron
COVID-19 variants | WHO COVID-19 dashboard - datadot When these changes become significantly different to a previously detected virus, these new virus types are known as “variants ” 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