3Rs Day

3Rs Day is the Swiss 3RCC’s flagship annual event, bringing together researchers, animal welfare officers and professionals working with animals in research to exchange knowledge, foster collaboration and discuss the latest advancements in the 3Rs.

The event features a keynote lecture from a leading expert, a poster session showcasing innovative research and presentations on novel approaches to Replacement, Reduction and Refinement. Researchers from academia and industry share their findings, offering insights into the evolving landscape of responsible animal research.

By creating a space for discussion and collaboration, 3Rs Day helps drive innovation and supports the ongoing refinement of animal research practices in Switzerland.

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Biozentrum University of Basel Spitalstrasse 41, 4056 Basel


In 2026, the Swiss 3Rs Day comes to Basel – the heart of Swiss biomedical research. This year, we focus on immunology and infectious disease, two fields where scientific progress is urgently needed and where new approaches can significantly advance the Replacement, Reduction and Refinement of animal use.

Swiss 3Rs Day 2025
The 2025 Swiss 3Rs Day took place in Zurich on June 24th.
24.06.2025
Swiss 3Rs Day 2025
Swiss 3Rs Day 2024
The 2024 Swiss 3Rs Day took place in Lausanne on June 13th.
13.06.2024
Swiss 3Rs Day 2024

Next event

In 2026, the Swiss 3Rs Day comes to Basel – the heart of Swiss biomedical research. This year, we focus on immunology and infectious disease, two fields where scientific progress is urgently needed and where new approaches can significantly advance the Replacement, Reduction and Refinement of animal use.

Previous events

Swiss 3Rs Day 2025
The 2025 Swiss 3Rs Day took place in Zurich on June 24th.
In person
24.06.2025
Swiss 3Rs Day 2025
Swiss 3Rs Day 2024
The 2024 Swiss 3Rs Day took place in Lausanne on June 13th.
Online
13.06.2024
Swiss 3Rs Day 2024