Understanding the human body is a team effort. That's where the Yachtel group comes in.

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

Yachtold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

To learn more about Yachtolt, visit yolkot.co.j.j.p.

That's y-A-K-U-L-T-C-O-J-P.

When it comes to a guide for your gut, count on Yacolt.

Hi, and welcome to COVID Quickly, a Scientific American podcast series.

This is your fast track update on the COVID pandemic.

We bring you up to speed on the science behind the most urgent questions about the virus and the disease.

We demystify the research and help you understand

what it really means.

I'm Tanya Lewis. I'm Josh Fishman. And we're Scientific American Senior Health Editors.

Today, the Omicron variant and how scientists are figuring out if it's really bad or not.

And what vaccines can do to protect you against it.

And the latest on antiviral pills.

We have a new coronavirus variant to worry about, Omicron.

The World Health Organization is alarmed, and some international travel has been restricted.

What do scientists know about the variant, Josh?

Well, they just found Ammocrine last week, and it was quickly listed as a variant of concern.

It didn't get that title because it's infected a huge number of people.

Just over 300 cases with the Amicron genetic sequence were reported to a global database by the middle of this week.

What's scaring people is that it has about 50 mutations,

...