Tools

Virus Tool

The Indoor Scenario Simulator for COVID-19 was developed with financial support from the State Secretariat for Economic Affairs SECO (seco.admin.ch) and in cooperation with Christian Monn, SECO.

This tool calculates the concentration of viruses in a room with perfect mixing for one or more people who emit viruses while breathing normally, speaking softly or loudly. The percentiles of the distribution of viral viral emission levels in the adult population were modelled based on published figures of virus copies (determined by PCR, polymerase chain reaction) and aerosol emissions.

The tool allows the calculation of scenarios where virus carriers enter a room, stay there for a certain time, and what this means for exposure and inhaled dose from other people in the room.

A detailed description of the tool can be found in the blog. The underlying scientific article can be found in the scientific magazine Aerosol and Air Quality Research.

This tool was created with great care and checked in detail, but may contain errors. DO NOT use the tool as the sole element for critical decisions.

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