The B117 variant originally found in the UK, which is now the dominant variant in the

United States, is sort of a stickier virus.

The UK variant, which is we know is so much more transmissible, that is especially prevalent

in Michigan.

This is really about the race between the vaccines and the variants.

Coronavirus variants have been cropping up all around the world throughout this pandemic.

It is a normal and a natural part of how viruses adapt and evolve.

Now some are more concerning than others.

That's because they may spread more easily or they may cause more severe illness.

Possibly even be more lethal.

For example, you might have heard of the variants first identified in the United Kingdom,

or South Africa, or Brazil.

This can all be a bit confusing and hard to keep track of, and on top of it, they have seemingly

random identification numbers.

So for today's episode, I'm going to tell you what you need to know about variants,

how they develop, why they develop, and what's their status in the United States right now.

I'm Dr. Sanjay Gupta, CNN's Chief Medical Correspondent, and this is Coronavirus, Fact

vs. Fiction.

Coronavirus is our notorious for being quick to mutate.

Dr. Hannah Axelrod is an infectious disease expert from George Washington University School

of Medicine and Health Sciences.

She explained variants back in February.

...