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.

Yacold 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 yawcult.co.com.j, 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, vaccines for the littlest kids may be almost here. And new evidence

about long COVID shows who gets it most often and what the most common symptoms are.

It's been nearly a year and a half since COVID vaccines were authorized for adults in the U.S.

Yet kids under five are still not eligible, even though testing in children began over six months ago.

Could this be about to change, Tanya?

Possibly. I can understand why many parents are frustrated. They've been told for months that a

vaccine is right around the corner, but there have been some promising developments.

Like what? Have there been good results from these tests?

Just a couple of weeks ago, vaccine maker Moderna announced it was filing for emergency

use authorization for its vaccine for kids ages six months to six years. And Pfizer recently

announced in a press release that its vaccine was 80% effective at preventing symptomatic COVID

in kids under five, although they haven't made the data public yet. Does that get us any

closer to getting a green light from the FDA, though?

...