The National Center for Competences in Research (NCCR) on microbiomes is a large Swiss project that includes 5 workpackages:
Prof Greub and Prof Vonaesch (both from UNIL, Lausanne) are leading the human microbiota work pacakage (WP1), that have 5 main area of researh:
You can find more information at the NCCR website:
https://nccr-microbiomes.ch/research/work-package-1/