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Glossary

Cytotoxicity

Cytotoxicity is the ability of chemical substances (incl. drugs, viruses and antibodies) to damage tissue cells. It is proven in in-vitro tests with certain target cells.

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International Campaign Days

Campaign days raise awareness of the importance of cleaning and disinfecting hands and surfaces in the health sector, addressing sepsis and antibiotic resistance. Find all information about these annual events here.

International campaign day: World Hand Hygiene Day on 5 May 2025

Two hands touching. Other hands in the background.

On May 5, 2025, as every year, the WHO is reminding people of the importance of hand hygiene in the healthcare sector and beyond.

European Norms (EN)

Methods for determining the efficacy of disinfectants in accordance with European standards, including DIN EN 1500 and DIN EN 12791. These standards provide practical methods for testing bactericidal activity.