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, visitacolkot.co.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 YacLt.

Hi, and welcome to COVID Quickly, a bi-weekly 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 de-mystify the research, and we help you understand what it really means.

I'm Tanya Lewis.

I'm Josh Fishman.

And we're Scientific American's senior health editors.

Today, we're talking about when we'll know if vaccines are safe for kids.

Why Joe Biden's claim that everyone is eligible for vaccines isn't good enough.

And how a tiny country proved that rapid testing can stop COVID spread. Biden's claim that everyone is eligible for vaccines isn't good enough.

And how a tiny country proved that rapid testing can stop COVID spread.

Several companies are currently testing their vaccines in kids, as scientific American contributor,

Melinda Wynar-Moyer recently reported.

Pfizer just announced results showing its vaccine is 100% effective in preventing COVID symptoms in 12 to 15-year-olds. Moderna has been testing its

vaccine in 12 to 16-year-olds. Both companies have now begun testing their vaccines in children

aged six months to 11 years. And Johnson & Johnson announced plans to test its vaccine in children and adolescents

as well. We know that kids in general are less likely to get very sick from COVID, but they can

still spread the virus to others and can in rare cases become severely ill. So vaccinating kids is

...