Overview of what's known about the coronavirus variants

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Sat, 2021-05-08 13:50 — mike kraft

Here's what's known about the coronavirus variants The CDC said this week it had designated a coronavirus variant first seen in India as a "variant of interest," adding it to the growing collection of viral variants it's keeping an eye on. Maggie Fox, CNN CNN

(CNN) The US Centers for Disease Control and Prevention said this week it had designated a coronavirus variant first seen in India as a "variant of interest," adding it to the growing collection of viral variants it's keeping an eye on.

Vaccine makers are so worried about the chance new variants will escape the protection offered by immunization that they are already testing booster shots and tweaking their vaccine formulas to specifically target some of the more troubling variants.

And doctors around the world are warning that even more variants will arise as the virus continues to evolve inside the bodies of the tens of millions of people it is infecting.

The CDC has designated three levels of variants: variants of interest, which have the potential to be dangerous but haven't caused much disruption yet; variants of concern, which are more contagious, evade some treatments, cause more severe disease or get past diagnostic tests; and variants of high consequence, which significantly evade the effects of vaccines or treatments.

"Currently there are no SARS-CoV-2 variants that rise to the level of high consequence," CDC says.

Here's what's known about the variants of interest and variants of concern: ...

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