RIVM has identified the micro-organisms that can make people sick by contact with bathing water and to what extent climate change might have an influence on that risk. Climate factors, such as temperature, UV radiation and precipitation, influence the physiology of pathogens. These climate change factors can cause pathogens to die faster, survive longer, or proliferate more rapidly. This will affect the chance that pathogens will cause diseases when people come into contact with bathing water.