COVID-19 Airborne Risk Calculator

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m
m3
hours
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persons
Infected Individual Susceptible Person
Pathogen Analysed
Physical Activity Level
Vocal Activity Level
Mask Wearing Strategy

Airborne Transmission Risk

% of a single person being infected
Maximum number of susceptible occupants before it is likely that a Covid case will arise.
Probable number of Covid cases arising during the event.

Please see help page for disclaimers and assumptions.