New features in Expasy

Posted 12 May 2021

Welcome to Expasy 3.1!

Check out the new features and browse the website to discover >160 high quality interconnected resources.

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Latest News

View and share the news on Expasy

Posted 26 February 2026

Over the past years, we’ve posted weekly updates about Expasy databases and tools. From now on, you can catch up on all of them in a dedicated News page and easily share individual posts on LinkedIn and Bluesky!

Nextstrain use by the WHO

Posted 19 February 2026
Nextstrain use by the WHO

There are around a billion cases of seasonal influenza (flu) annually, including 3–5 million cases of severe illness. The WHO uses real-time tracking of influenza lineage evolution by Nextstrain to make recommendations.