RisiCo is a tool that can be used to determine the relative risk of infection by aerosol-borne viruses in indoor spaces as a function of exclusively technical parameters and characteristics of the persons present for two reference environments. The reference environment corresponds to a mechanically ventilated classroom according to the state of the art, which has a comparatively low absolute risk of infection according to the current state of knowledge.

The tool is freely accessible at: https://risico.eonerc.rwth-aachen.de