Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.


A case of ‘stomach flu’ arms the microbiome against invaders

Light micrograph of a normal human colon in the large intestine.

The large intestine. Infection ‘trains’ both the digestive system and the gut microbiome to fend off hostile microorganisms. Credit: Nigel Downer/SPL

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Nature 589, 332 (2021)




Nature Careers


Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing


Quick links