Biofilms – a sticky matrix of proteins and sugar polymers created by bacteria as a way of protecting themselves – frequently show up inside pipes and in other very humid locations. Biofilms consist of bacteria, moulds, yeasts and fungi, viruses and microscopic algae. In healthcare facilities, biofilms can lead to clogged, smelly drains as well as a serious health risk. Drains at the bottom of sinks tend to be among the most popular bacterial breeding grounds for biofilm formation.

Biofilms: A critical issue for hospitals

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